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Table 1 Patient characteristics

From: Risk factors for the development of reexpansion pulmonary edema in patients with spontaneous pneumothorax

Variable With reexpansion pulmonary edema (n = 49) Without reexpansion pulmonary edema (n = 257) P value
Age (years) 46.7 ± 20.1 43.7 ± 22.5 0.253
Sex (male) 39 (79.6%) 223 (86.8%) 0.189
Diagnosis    0.690
  Primary 25 (51.0%) 138 (54.1%)  
  Secondary 24 (49.0%) 117 (45.9%)  
Diabetes mellitus 7 (14.3%) 10 (3.9%) 0.004
Hypertension 8 (16.3%) 31 (12.1%) 0.412
Tuberculosis 17 (34.7%) 81 (31.5%) 0.662
COPD 15 (30.6%) 78 (30.4%) 0.971
Smoking 27 (57.4%) 108 (46.2%) 0.157
Total events 1.20 ± 0.65 1.46 ± 0.90 0.034
Ipsilateral recurrence 1.12 ± 0.33 1.30 ± 0.62 0.090
Site (right : left) 28 : 21 132 : 125 0.458
Bilateral pneumothorax 2 (4.1%) 3 (1.2%) 0.183
Serum albumin (gm/dl) 4.18 ± 0.48 4.27 ± 0.48 0.226
  1. COPD, Chronic obstructive pulmonary disease.