Table 3.

Univariate Cox analysis for significant survival predictor variables (p < 0.10) in patients with airway-centered interstitial fibrosis (n = 68)

Variable	HR	95% CI	p
Cough	6.45	0.85-47.6	0.071
Oxygen saturation at rest	1.14	1.04-1.24	0.003
Organizing airway tissue	2.71	1.10-6.67	0.029
Fibroblastic foci	3.32	1.19-9.26	0.021
Microscopic honeycombing	2.76	1.07-7.14	0.036