Table 4.

Statistically significant variables from multivariable survival analyses

Variable	HR (95% CI)	p value
Post 6MWT DBP	0.93 (0.88, 0.97)	0.002
BDS	1.36 (1.07, 1.73)	0.013
Impaired HRR	15.8 (1.96, 128.0)	0.010

CI = confidence interval; HR = hazard ratio; 6MWD = 6-minute walk distance; 6MWT = 6-minute walk test; BDS = Borg dyspnea score; BMI = body-mass index; CCI = Charlson comorbidity index; DBP = diastolic blood pressure; DLCO = diffusion capacity of carbon monoxide; FEV1 = forced expiratory volume within 1 second; HR = heart rate; HRR = heart rate recovery; KPS = Karnofsky performance status; LLL = left lower lobe; LUL = left upper lobe; RLL = right lower lobe; RML = right middle lobe; RUL = right upper lobe; SBP = systolic blood pressure; SUV = standardized uptake value