Table 6 All-cause mortality (n [%]) (95 % CI) until Day 1470 according to baseline IC quartiles
From: Longitudinal inspiratory capacity changes in chronic obstructive pulmonary disease
IC quartile | Tiotropium (n = 2855) | Control (n = 2881) | HR (95 % CI) |
|---|---|---|---|
Q1 | 141/714 (19.7 %) | 158/699 (22.6 %) | 0.85 (0.68-1.07) |
Q2 | 115/669 (17.2 %) | 136/758 (17.9 %) | 0.95 (0.74-1.22) |
Q3 | 94/735 (12.8 %) | 104/715 (14.5 %) | 0.86 (0.65-1.13) |
Q4 | 64/737 (8.7 %) | 78/709 (11.0 %) | 0.79 (0.56-1.09) |