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Table 1 Annual incidence rate of pneumothorax in LAM (n = 128)

From: Air travel and incidence of pneumothorax in lymphangioleiomyomatosis

Start of exposure period Model 1 Model 2 Model 3
First symptoms of LAM 0.12 (0.1, 0.14) 0.18 (0.13, 0.24) 0.08 (0.05, 0.11)
LAM diagnosis   0.09 (0.07, 0.11) 0.11 (0.07, 0.15) 0.05 (0.03, 0.08)
  1. Data were calculated from 3 models: Model 1: constant risk of PT across the whole LAM population, standard Poisson regression. Model 2: variable risk from one patient to another, negative binomial regression. Model 3: variable risk from one patient to another, Poisson regression with random intercept. Results are expressed as incidence per patient per year (95% confidence intervals)