Table 4.

Predictors of transplant-free survival in patients with IPF

Characteristic	IPF cohort (N = 50)a
	Univariable	Multivariable
GAP score (per unit increase)	1.42 (1.05, 1.90) p = .021	1.40 (1.04, 1.89) p = .028
PSI score (per unit increase)	2.26 (1.50, 3.40) p < .001	2.28 (1.49, 3.49) p < .001

Data in bold emphasis indicate statistically significant results

IPF idiopathic pulmonary fibrosis, PSI pulmonary surface irregularity, GAP score gender, age, and physiology score

^aData presented as hazard ratio (95%CI) with p value