Table S4.
RR | 95% CI | P-value | |
---|---|---|---|
Sample level | 0.022 | ||
A | 1 | ||
B | 0.775 | (0.445, 1.350) | 0.368 |
C | 1.681 | (1.069, 2.645) | 0.025 |
Note: Results from mixed-effect Poisson model.
Abbreviations: CI, confidence interval; COPD, chronic obstructive pulmonary disease; RR, rate ratios.