Form:	Chile-US CT Scan Baseline v1.1

CDE ID	CDE Description
* 421	EDRN Participant ID (Go To: 2176)
* 2176	Visit code (Go To: 423)
	Permissible Values (value): BLN1 (1)
	BLN2 (2)
	BLN3 (3)
	BLN4 (4)
* 423	EDRN Protocol ID (Go To: 422)
* 422	EDRN Site ID (Go To: 929)
* 929	EDRN Staff ID of the person who collected the data: (Go To: 4561)
* 4561	Date of imaging test (DD/MM/YYYY): (Go To: 3109)
* 3109	Number of CT slices (Go To: 3110)
* 3110	Thickness of CT slices: (Go To: 3063)
* 3063	CT quality: (Go To: 3037)
	Permissible Values (value): 1=Good (1)
	2=Acceptable, with no technical defect likely to impair classification (2)
	3=Acceptable, with some technical defect but still adequate for classification purposes (3)
	4=Unreadable (4)
* 3037	Is the film or scan completely negative? (Go To: 1097)
	Permissible Values (value): No (0) (Go To: 3043)
	Yes (1)
* 3043	Did the scan contain well defined rounded opacities? (Go To: 3042)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3083)
* 3083	Presence of P (<1.5 mm in diameter) opacities? (Go To: 3084)
	Permissible Values (value): No (0)
	Yes (1)
* 3084	Presence of Q (1.5-3 mm in diameter) opacities? (Go To: 3085)
	Permissible Values (value): No (0)
	Yes (1)
* 3085	Presence of R (3-10 mm in diameter) opacities? (Go To: 3050)
	Permissible Values (value): No (0)
	Yes (1)
* 3050	Well defined opacity distribution, right side, upper zone: (Go To: 3076)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3076	Well defined opacity distribution, right side, middle zone: (Go To: 3075)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3075	Well defined opacity distribution, right side, lower zone: (Go To: 3049)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3049	Well defined opacity distribution, left side, upper zone: (Go To: 3073)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3073	Well defined opacity distribution, left side, lower zone: (Go To: 3074)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3074	Well defined opacity distribution, left side, middle zone: (Go To: 3092)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3092	Well defined, rounded opacity summary grade: (Go To: 3042)
* 3042	Presence of irregular and/or linear opacities? (Go To: 3036)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3041)
* 3041	Presence of intralobular opacities? (Go To: 3039)
	Permissible Values (value): No (0)
	Yes (1)
* 3039	Presence of interlobular opacities? (Go To: 3048)
	Permissible Values (value): No (0)
	Yes (1)
* 3048	Irregular/linear opacity distribution, right side, upper zone: (Go To: 3072)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3072	Irregular/linear opacity distribution, right side, middle zone: (Go To: 3047)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3047	Irregular/linear opacity distribution, right side, lower zone: (Go To: 3046)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3046	Irregular/linear opacity distribution, left side, upper zone: (Go To: 3045)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3045	Irregular/linear opacity distribution, left side, middle zone: (Go To: 3044)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3044	Irregular/linear opacitydistribution, left side, lower zone: (Go To: 3116)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3116	Irregular/linear opacity summary grade: (Go To: 3036)
* 3036	Presence of inhomogeneous attenuation (IA)? (Go To: 3071)
	Permissible Values (value): No (0)
	Yes (1)
* 3071	Presence of ground glass opacities? (Go To: 3035)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3082)
* 3082	Ground glass opacity distribution, right side, upper zone: (Go To: 3081)
	Permissible Values (value): MP=Mosaic Perfusion (0)
	1=focal (1)
	2=patchy (2)
	3=difuse (3)
* 3081	Ground glass opacity distribution, right side, middle zone: (Go To: 3080)
	Permissible Values (value): MP=Mosaic Perfusion (0)
	1=focal (1)
	2=patchy (2)
	3=difuse (3)
* 3080	Ground glass opacity distribution, right side, lower zone: (Go To: 3079)
	Permissible Values (value): MP=Mosaic Perfusion (0)
	1=focal (1)
	2=patchy (2)
	3=difuse (3)
* 3079	Ground glass opacity distribution, left side, upper zone: (Go To: 3078)
	Permissible Values (value): MP=Mosaic Perfusion (0)
	1=focal (1)
	2=patchy (2)
	3=difuse (3)
* 3078	Ground glass opacity distribution, left side, middle zone: (Go To: 3077)
	Permissible Values (value): MP=Mosaic Perfusion (0)
	1=focal (1)
	2=patchy (2)
	3=difuse (3)
* 3077	Ground glass opacity distribution, left side, lower zone: (Go To: 3115)
	Permissible Values (value): MP=Mosaic Perfusion (0)
	1=focal (1)
	2=patchy (2)
	3=difuse (3)
* 3115	Ground glass opacity summary grade: (Go To: 3035)
* 3035	Presence of honeycombing (HC)? (Go To: 3070)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3034)
* 3034	Honeycombing (HC), right upper: (Go To: 3033)
	Permissible Values (value): 0=None (0)
	1=mild; up to 10 mm in the subpleural area (1)
	2=moderate; between 10 and 30 mm in the subpleural area (2)
	3=severe; >30 mm up to the whole area (3)
* 3033	Honeycombing (HC), right middle: (Go To: 3032)
	Permissible Values (value): 0=None (0)
	1=mild; up to 10 mm in the subpleural area (1)
	2=moderate; between 10 and 30 mm in the subpleural area (2)
	3=severe; >30 mm up to the whole area (3)
* 3032	Honeycombing (HC), right lower: (Go To: 3031)
	Permissible Values (value): 0=None (0)
	1=mild; up to 10 mm in the subpleural area (1)
	2=moderate; between 10 and 30 mm in the subpleural area (2)
	3=severe; >30 mm up to the whole area (3)
* 3031	Honeycombing (HC), left upper: (Go To: 3030)
	Permissible Values (value): 0=None (0)
	1=mild; up to 10 mm in the subpleural area (1)
	2=moderate; between 10 and 30 mm in the subpleural area (2)
	3=severe; >30 mm up to the whole area (3)
* 3030	Honeycombing (HC), left middle: (Go To: 3029)
	Permissible Values (value): 0=None (0)
	1=mild; up to 10 mm in the subpleural area (1)
	2=moderate; between 10 and 30 mm in the subpleural area (2)
	3=severe; >30 mm up to the whole area (3)
* 3029	Honeycombing (HC), left lower: (Go To: 3114)
	Permissible Values (value): 0=None (0)
	1=mild; up to 10 mm in the subpleural area (1)
	2=moderate; between 10 and 30 mm in the subpleural area (2)
	3=severe; >30 mm up to the whole area (3)
* 3114	Honeycombing (HC) summary grade: (Go To: 3070)
* 3070	Presence of emphysema? (Go To: 3123)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3069)
* 3069	Emphysema distribution, right side, upper zone: (Go To: 3068)
	Permissible Values (value): 0=None (0)
	1=mild; up to to 15% of the area of one zone (1)
	2=moderate; between 15 and 39% (2)
	3=severe; >30% (3)
* 3068	Emphysema distribution, right side, middle zone: (Go To: 3067)
	Permissible Values (value): 0=None (0)
	1=mild; up to to 15% of the area of one zone (1)
	2=moderate; between 15 and 39% (2)
	3=severe; >30% (3)
* 3067	Emphysema distribution, right side, lower zone: (Go To: 3066)
	Permissible Values (value): 0=None (0)
	1=mild; up to to 15% of the area of one zone (1)
	2=moderate; between 15 and 39% (2)
	3=severe; >30% (3)
* 3066	Emphysema distribution, left side, upper zone: (Go To: 3065)
	Permissible Values (value): 0=None (0)
	1=mild; up to to 15% of the area of one zone (1)
	2=moderate; between 15 and 39% (2)
	3=severe; >30% (3)
* 3065	Emphysema distribution, left side, middle zone: (Go To: 3064)
	Permissible Values (value): 0=None (0)
	1=mild; up to to 15% of the area of one zone (1)
	2=moderate; between 15 and 39% (2)
	3=severe; >30% (3)
* 3064	Emphysema distribution, left side, lower zone: (Go To: 3113)
	Permissible Values (value): 0=None (0)
	1=mild; up to to 15% of the area of one zone (1)
	2=moderate; between 15 and 39% (2)
	3=severe; >30% (3)
* 3113	Emphysema summary grade: (Go To: 3123)
* 3123	Presence of large opacities? (Go To: 3103)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3124)
* 3124	Large opacity size: (Go To: 3130)
	Permissible Values (value): A=One or more opacities, extent>1 cm up to 1/4 of the area (quadrant) of the right side of the CT-slice at the carina (1)
	B=Area of one or sum of more opacities larger than "A," less than 1/2 of the area (2 quadrants) of the right side of the CT-slice at the carina (2)
	C=Area of one or sum of more opacities larger than half of the area of the right side of the CT-slice at the carina (3)
* 3130	Large opacities distribution, right side, upper zone: (Go To: 3131)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3131	Large opacity distribution, right side, middle zone: (Go To: 3141)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3141	Large opcacity distribution, right side, lower zone: (Go To: 3132)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3132	Large opacities distribution, left side, upper zone: (Go To: 3133)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3133	Large opacity distribution, left side, middle zone: (Go To: 3134)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3134	Large opcacity distribution, left side, lower zone: (Go To: 3103)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3103	Predominant findings (check all that apply): (Go To: 3099)
	Permissible Values (value): None (0)
	RO (Rounded opacities) (1)
	IR (Irregular/linear opacities) (2)
	GGO (Ground glass opacities) (3)
	HC (Honeycombing) (4)
	EM (Emphysema) (5)
	LO (Large opacities) (6)
* 3099	Presence of pleural abnormalities? (Go To: 3101)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3094)
* 3094	Presence of pleural parietal type abnormalities? (Go To: 3096)
	Permissible Values (value): No (0)
	Yes (1)
* 3096	Presence of pleural visceral type abnormalities? (Go To: 3090)
	Permissible Values (value): No (0)
	Yes (1)
* 3090	Presence of pleural abnormalities of the mediastinum (M)? (Go To: 3086)
	Permissible Values (value): No (0)
	Yes (1)
* 3086	Presence of pleural abnormalities of the diaphragm (D)? (Go To: 3135)
	Permissible Values (value): No (0)
	Yes (1)
* 3135	Pleural abnormalities distribution, right side, upper zone: (Go To: 3136)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3136	Pleural abnormalities distribution, right side, middle zone: (Go To: 3137)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3137	Pleural abnormalities distribution, right side, lower zone: (Go To: 3138)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3138	Pleural abnormalities distribution, left side, upper zone: (Go To: 3139)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3139	Pleural abnormalities distribution, left side, middle zone: (Go To: 3140)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3140	Pleural abnormalities distribution, left side, lower zone: (Go To: 3088)
	Permissible Values (value): 0=none that are definitive (0)
	1=mild; definitely present but few in number (1)
	2=moderate; numerous present (2)
	3=severe; very numerous, normal anatomical lung structures poorly visible (3)
* 3088	Pleural abnormalities extent, right side: (Go To: 3098)
	Permissible Values (value): 0 (0)
	1=up to 90° (<1/4) (1)
	2=between 90° and 180° (1/4-1/2) (2)
	3= >180° (>1/2) (3)
* 3098	Pleural abnormalities width, right side: (Go To: 3087)
	Permissible Values (value): 0 (0)
	a=up to 5 mm (1)
	b=5-10 mm (2)
	c=>10 mm (3)
* 3087	Pleural abnormalities extent, left side: (Go To: 3097)
	Permissible Values (value): 0 (0)
	1=up to 90° (<1/4) (1)
	2=between 90° and 180° (1/4-1/2) (2)
	3= >180° (>1/2) (3)
* 3097	Pleural abnormalities width, left side: (Go To: 3101)
	Permissible Values (value): 0 (0)
	a=up to 5 mm (1)
	b=5-10 mm (2)
	c=>10 mm (3)
* 3101	Presence of pleural calcifications? (Go To: 4554)
	Permissible Values (value): No (0)
	Yes (1) (Go To: 3100)
* 3100	Pleural calcifications localization: (Go To: 4554)
	Permissible Values (value): W (wall) (1)
	M (mediastinum) (2)
	D (diaphragm) (3)
* 4554	Other CT findings (Check all that apply) (Go To: 1097)
	Permissible Values (value): 0=None (0)
	AX=Coalescence of small pneumoconiotic opacities (1)
	BE=Bronchiectasis: all types, including traction bronchiectasis (2)
	BR=Bronchial wall thickening (3)
	CA=Lung Cancer (5)
	CG=Calcified Granuloma (6)
	CV=Cavity: central necrosis, liquid and/or air containing (7)
	DI=Distortion of intrathoracic structures and organs (8)
	DO=Dependent Opacity (9)
	EF=Effusion: free or loculated pleural fluid (10)
	ES=Eggshell calcification of hilar and/or mediastinal lymph nodes (11)
	FP=Fat Pad: extrapleural/subcostal fat (12)
	FR=Fractured Rib(s) (13)
	ME=Malignant Mesothelioma of the pleura, the pericardium or the peritoneum (15)
	MP=Mosaic Perfusion (16)
	OD=Other Disease: comments under "Additional Findings" (17)
	PB=Parenchymal Band, due to pleuroparenchymal scars (18)
	RA=Rounded Atelectasis (19)
	SC=Subpleural curvilinear lines (20)
	TB=Tuberculosis (21)
	TD=Tree in Bud (22)
1097	Comments (do not include any participant identifiers) (Go To: End of Form)