Table 5.

Median Survival Estimates for Patients With CF and FEV₁ < 30% Predicted, Stratified by Covariates of Interest

Variable	Median survival (95% CI)	P Value for Log-Rank Test
Female sex, y	5.1 (4.6-5.8)	< .001
Male sex, y	7.2 (6.7-8.0)
BMI ≤ 18, y	4.2 (3.7-4.5)	< .001
BMI > 18, y	7.4 (6.9-7.9)
Supplemental oxygen,a y	3.1 (2.8-3.4)	< .001
No supplemental oxygen, y	8.3 (7.8-9.1)
Burkholderia cepacia complex, y	2.8 (2.4-3.9)	< .001
No B cepacia complex, y	6.9 (6.4-7.3)
CFRD, on insulin, y	4.3 (3.7-4.7)	< .001
No CFRD, y	7.4 (6.9-7.9)

See Table 1 and 3 legends for expansion of abbreviations.

^aContinuous or nocturnal supplemental oxygen.