Table S2.

ICD-10 codes used to identify comorbidities

Comorbidity	ICD-10 codes
Lung cancer	C34
Other malignancy	C00–26, C30–33, C37–41, C43–58, C60–76
Interstitial pneumonia	B221, J701, J704, J841, J848, J849, J990, J991, M321, M330, M331, M332, M351
Bronchial asthma	J45, J46
Bronchiectasis	J40, J41, J42, J47
Bacterial lower respiratory tract infection	A481, J100, J110, J13–16, J170, J178, J18, J85, J86
Mycobacterium infection	A150–154, A156–159, A161–162, A165, A168–169, A19, A310, A319
Mycotic infection	A420, A43, B37, B380–382, B390–392, B400–402, B410, B420, B440, B441, B449, B460, J172
Cor pulmonale	I27
Congestive heart failure	E059, I46, I50, I099, I110
Ischemic heart disease	I20–25
Tachycardia	I47–49, R000, T818
Autoimmune disease	M05, M06, M08, M30–35
Stroke	I60–64
Liver dysfunction	B89, B181, B182, B659, B661, K702, K703, K72, K74, K761, K762, K763, K766, K767
Renal failure	E102, E112, E142, I120, N17–19
GERD	K21
Constipation and/or ileus	K56, K590
Prostate hypertrophy	N40

Abbreviation: GERD, gastroesophageal reflux disease.