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Table 1 Preoperative and postoperative values of the lung function parameters

From: Diaphragm motion and lung function prediction in patients operated for lung cancer – a pilot study on 27 patients

  Mean SD Δ preop – postop Sig-(2tailed)
Mean SD
preop FEV1 (ml) 2711.85 864.92 444.07 578.8 < 0.001
postop. FEV1 (ml) 2267.78 861.08
preop FEV1 (%) 90.19 21.57 14.58 17.74 < 0.001
postop. FEV1 (%) 75.61 22.11
preop VC (ml) 3771.48 931.22 692.33 834.91 < 0.001
postop. VC (ml) 3079.15 1073.09
preop VC (%) 100.44 15.33 17.79 22.09 < 0.001
postop. VC (%) 82.66 23.49
Tiff. preop. (%) 71.69 11.84 -.19 8.49 > 0.05
Tiff. postop. (%) 71.88 12.49
preop FEV50 (%) 60.67 30.62 10.19 19.70 > 0.05
postop. FEV50 (%) 50.48 22.05
preop FEV25 (%) 49.22 24.42 .67 27.22 > 0.05
postop. FEV25 (%) 48.56 27.98    
  1. -FEV1: forced expiratory volume in the 1st second, VC. Vital capacity; Tiff: Tiffeneau index (100FEV17VC), FEF50: forced expiratory flow at 50% VC; FEF25: forced expiratory flow at 25% VC; Δ preop – postop: difference between preoperative and postoperative value.