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Table 2 Patient demographics

From: Tension pneumothorax, is it a really life-threatening condition?

Variable With tension Without tension P value
Pneumothorax Pneumothorax
(n = 60) (n = 310)
Age (years) 52.1 ± 21.2 37.8 ± 21.2 <0.001
Sex (male) 52 (86.7%) 273 (88.1%) 0.762
Diagnosis      <0.001
 Primary 24 (40.0%) 204 65.8%)  
 Secondary 36 (60.0%) 106 (34.2%)  
Diabetes mellitus 3 (5.0%) 13 (4.2%) 0.731
Hypertension 14 (23.3%) 27 (8.7%) 0.001
Tuberculosis 24 (40.0%) 77 (24.8%) 0.016
COPD 24 (40.0%) 67 (21.6%) 0.002
Smoking 32 (55.2%) 117 (42.5%) 0.079
  1. COPD, chronic obstructive pulmonary disease.