Table 1.

Demographic data for patient cohort

N	39
Age mean (range)	72.5 (57–85)
Gender
Male	34 (87%)
Female	5 (13%)
IPF diagnosis
Definite	19 (49%)
Probable	20 (51%)
Smoking status
Ex-smoker	29 (74%)
Never-smoker	10 (26%)
Antifibrotic therapy
Yes	8 (20%)
No	31 (80%)
FVC; mean (IQR;SD)	70.9% (63.1–80.7;14.1)
TLCO; mean (IQR;SD)	49.5%(35.0–57.8;14.9)
CPI; mean (IQR;SD)	47.8% (41.2–57.6;12.3)
Median period of follow-up in months, mean (IQR;SD)	29.6 (9.1–30.2;14.3)
No (%) alive at follow-up	13 (33)

Pulmonary function test refers to % predicted for age, gender and height. unless stated, % in parentheses refer to % of cohort.

CPI, Composite Physiologic Index; FVC, forced vital capacity; IPF, idiopathic pulmonary fibrosis; TLCO, transfer factor for carbon monoxide.