Table 3

Clinical outcomes in the two cohorts of hospitalised patients with COVID-19 with and without idiopathic pulmonary fibrosis (IPF) before and after propensity score matching

Outcome	IPF group (n=111)	Percentage	Non-IPF group (n=111)	Percentage	Risk ratio	95% CI lower	95% CI upper
Mortality within 30 days	31	27.93	24	21.62	1.29	0.81	2.05
Mortality within 60 days	34	30.63	27	24.32	1.26	0.82	1.94
Critical care	47	42.34	38	34.23	1.24	0.88	1.73
Mechanical ventilation	19	17.12	13	11.71	1.46	0.76	2.81
30-day composite outcome	37	33.33	31	27.93	1.19	0.80	1.78
60-day composite outcome	39	35.14	33	29.73	1.18	0.81	1.73
Acute renal injury	33	29.73	34	30.63	0.97	0.65	1.45