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Table 1 Demographic and clinical characteristics of double-port and single-port

From: Single-port VATS combined with non-indwelling drain in ERAS: a retrospective study

Characteristics Double-port Single-port P
Sex (male/female) 39/32 33/23 0.720
Age (years,mean ± SD) 43.39 ± 13.07 41.20 ± 11.75 0.327
History of smoking (yes/no) 21/50 17/39 0.924
Type of operation    0.701
Lung wedge resection n (%) 50 (70.42) 37 (66.07)  
Mass resection n (%) 21 (29.58) 19 (33.93)  
  1. P < 0.05 is considered statistically significant