Table 2. Case diagnoses.

Diagnosis	ILD (n=69)	Without ILD (n=362)	P value
Malignant lesions	66	339	0.042
Diagnostic case	41	252
Adenocarcinoma	19	184
Squamous cell carcinoma	11	32
Small cell carcinoma	4	4
Non-small cell carcinoma	6	19
Malignant lymphoma	1	2
Metastatic lung cancer	0	10
Spindle cell carcinoma	0	1
Non-diagnostic case	25	87
Benign lesions	3	23	0.319
Diagnostic case	2	21
Inflammatory lesions	2	9
Aspergillosis	0	2
Cryptococcus	0	1
NTM	0	4
Organizing pneumonitis	0	1
Sarcoidosis	0	1
Actinomycosis	0	1
Tuberculosis	0	1
Abscess	0	1
Non-diagnostic case	1	2

ILD, interstitial lung disease; NTM, non-tuberculous mycobacteria.