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Table 1 Clinical characteristics for all patients

From: Unilateral single-port thoracoscopic surgery for bilateral pneumothorax or pulmonary bullae

Characteristics All patients
Age (years)a 20.2 ± 2.3
Sex (male:female) 13:5
BMI※ (kg/m2)a 19.5± 2.5
Smoking(yes:no) 8:10
Pneumothorax sizea,b 0.5±0.33
Average operation time(min)a 44.56±17.8
Intraoperative blood loss(ml)a 20±7.5
Postoperative hospital staya(day) 3. 5±1.0
  1. aValues are the mean±standard deviation for continuous variable. ※BMI = body mass index. bEstimated by Light index