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Table 4 Multivariate comparison of selected variables between patients with and without evidence of mycobacterium infection

From: Evidence of mycobacterial disease in COPD patients with lung volume reduction surgery; the importance of histological assessment of specimens: a cohort study

  Odds ratio (95% confidence interval) P-Value
Sex   
Male 0.79 (0.12, 4.98) 0.798
Female
Age   
<60 0.76 (0.15, 3.78) 0.740
≥60 years
BMI   
<18.5 kgm−2 0.13 (0.01, 1.50) 0.102
≥18.5 kgm−2
Exacerbation rate   
<2 per year 50.24 (4.19, 602.01) 0.002
≥2 per year
Pre-operation FEV1 (% predicted)   
<40% 1.08 (0.8, 15.45) 0.954
≥40%
Pre-operation FVC (% predicted)   
<80% 0.24 (0.04, 1.37) 0.108
≥80%
Pre-operation TICO (% predicted)   
<40% 0.17 (0.03, 1.09) 0.061
≥40%
Pre-operation TLC (% predicted)   
<125% 5.86 (0.53, 64.6) 0.149
≥125%
Pre-operation RV (% predicted)   
<200% 0.29 (0.03, 2.52) 0.261
≥200%
  1. Results of binary logistic regression. The odds ratio is the odds of mycobacterium (present) if risk factor category present relative to other risk factors. All odds ratios are adjusted for all other risk factors in the model.