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Table 4 Patients' characteristics of combined subsegmentectomy, single segmentectomy, and multiple segmentectomy

From: Combined subsegmentectomy: postoperative pulmonary function compared to multiple segmental resection

  CSS Single S Multiple S
Mean age (y.o.) 61 ± 9 67 ± 11 71 ± 8
Sex    
   Male 8 25 16
   Female 9 31 25
Pulmonary function    
   VC (L) 3.2 ± 0.7 3.0 ± 0.7 3.0 ± 0.9
   %VC 111 ± 12 100 ± 13 112 ± 18
   FEV1 (L) 2.4 ± 0.6 2.1 ± 0.5 2.0 ± 0.6
   FVC/FEV1 75 ± 7 75 ± 7 71 ± 12
Mean tumor size (cm) 1.4 ± 0.5 1.7 ± 0.8 2.0 ± 0.8
Location of tumor    
   Right upper lobe 9 17 2††
   Right lower lobe 3 15 10
   Left upper lobe 4 17 22
   Left lower lobe 1 7 7
Mean number of resected subsegments 2.9 ± 1.1 2.6 ± 0.6 5.3 ± 1.4††
Mean number of preserved subsegments 5.4 ± 2.5 6.8 ± 2.2 5.0 ± 1.5
Total 17 56 41
  1. CSS: combined subsegmentectomy, Single S: single segmentectomy, Multiple S: multiple segmentectomy, VC: vital capacity, FVC: functional vital capacity, FEV1: forced expiratory volume in 1 second
  2. †: p = 0.002 between the CSS and the multiple segmentectomy, ††: p < 0.001 between the CSS and the multiple segmentectomy.