From: Air travel and incidence of pneumothorax in lymphangioleiomyomatosis
Start of exposure period | Exposure period type | Exposure period duration (lung-yr) | Number of PT during exposure period | PT incidence per lung per yr (CI) | Risk ratio (CI) |
---|---|---|---|---|---|
first symptoms of LAM | total | 1835.4 | 119 | 0.065 (0.054–0.077) | |
non-flight | 1808.6 | 113 | 0.062 (0.052–0.075) | 3.58 (1.40–7.45) | |
30 days post-flight | 26.8 | 6 | 0.223 (0.089–0.453) | ||
LAM diagnosis | total | 930.7 | 43 | 0.046 (0.034–0.061) | |
non-flight | 909.7 | 40 | 0.044 (0.032–0.059) | 3.25 (0.79–8.93) | |
30 days post-flight | 21.0 | 3 | 0.143 (0.035–0.370) |