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

Table 1 Clinical characteristics for all patients

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 size^a,b	0.5±0.33
Average operation time(min)^a	44.56±17.8
Intraoperative blood loss(ml)^a	20±7.5
Postoperative hospital stay^a(day)	3. 5±1.0

^aValues are the mean±standard deviation for continuous variable. ※BMI = body mass index. ^bEstimated by Light index

ISSN: 1749-8090