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Table 3 Perioperative outcomes of the patients in both groups

From: Three-port single-intercostal versus uniportal thoracoscopic segmentectomy for the treatment of lung cancer: a propensity score matching analysis

  Three-port
(n = 143)
Single-port
(n = 143)
p value
Operative time (min) 114.0 (38.0, 107.7–120.3) 116.9 (29.3, 112.1–122.8) 0.469
Blood loss (mL)a 31 (10–140) 32 (10–1000) 0.501
Conversion 1 (0.7%) 1 (0.7%) 1.000
LN assessment
 Total LNs removed 11.9 (5.3, 11.0–12.8) 12.7 (5.7, 11.8–13.6) 0.228
 Total LN stations removed 6.7 (2.2, 6.3–7.0) 7.0 (2.3, 6.7–7.4) 0.174
 Chest tube removal (22-Fr) (PODs)a 1 (1–13) 1 (1–8) 0.065
 Hospitalization after the operation (days) 3.6 (1.9, 3.2–3.9) 3.3 (1.3, 3.1–3.5) 0.243
Major complications
 Chylothorax 1 (0.7%) 2 (1.4%) 0.562
 Atelectasis 1 (0.7%) 1 (0.7%) 1.000
 Pulmonary embolism 1 (0.7%) 0 (0.0%) 0.316
 Empyema 0 (0.0%) 0 (0.0%) 1.000
 Atrial fibrillation 8 (5.6%) 4 (2.8%) 0.238
 Prolonged air leakb 5 (3.5%) 3 (2.1%) 0.473
 Reoperation 0 (0.0%) 0 (0.0%) 1.000
 Total 15 (10.5%) 10 (7.0%) 0.295
 Mortality 0 (0.0%) 0 (0.0%) 1.000
  1. Data are presented as the median (range) or the mean (± SD, 95% confidence interval). LN Lymph node, PODs Postoperative days. aSkewed distribution: the Mann–Whitney U test was applied. bProlonged air leak was defined as a sustained air leakage lasting 5 days or more