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Table 1 Preoperative patient characteristics and surgical data

From: Pulmonary arterial enlargement predicts cardiopulmonary complications after pulmonary resection for lung cancer: a retrospective cohort study

Characteristics Total No PCCs PCCs  
(n = 237) (n = 221) (n = 16) P value
Age, years 70 ± 9 69 ± 9 78 ± 5 0.0001
Male, n (%) 160 (68) 148 (67) 12 (75) 0.6
Cardiopulmonary comorbidity, n (%) 138 (58) 125 (57) 13 (81) 0.07
Cardiothoracic ratio 0.47 ± 0.05 0.47 ± 0.05 0.48 ± 0.08 0.7
Brinkman index 632 ± 627 620 ± 603 801 ± 903 0.6
%FEV1 108 ± 24 109 ± 23 100 ± 33 0.2
FEV1/FVC 71 ± 11 71 ± 10 68 ± 17 0.7
%DLCO 105 ± 31 105 ± 31 103 ± 31 0.8
%ppoFEV1 88 ± 21 87 ± 21 84 ± 29 0.4
%ppoDLCO 85 ± 26 85 ± 26 86 ± 27 0.9
PA/A ratio 0.82 ± 0.12 0.81 ± 0.11 0.90 ± 0.15 0.03
Surgical procedure, n (%)     1
Lobectomy or bilobectomy 185 (78) 172 (78) 13 (81)  
Segmentectomy or wedge resection 52 (22) 49 (22) 3 (19)
Pathological stage, n (%)     0.4
Stage I 174 (73) 164 (74) 10 (63)  
Stage II or III 63 (27) 57 (26) 6 (38)
  1. All values are mean ± SD, unless otherwise indicated
  2. VC vital capacity, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, DLCO diffusing capacity of the lung for carbon monoxide, ppoFEV1 predicted postoperative forced expiratory volume in 1 s, ppoDLCO predicted postoperative diffusing capacity of the lung for carbon monoxide, PA/A ratio pulmonary-artery-to-aorta ratio, POCs postoperative complications