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Table 1 Pre and intraoperative clinical and demographic parameters.

From: Pleurotomy with subxyphoid pleural drain affords similar effects to pleural integrity in pulmonary function after off-pump coronary artery bypass graft

Variables Group I
(n = 38)
Group II
(n = 33)
p Value
Age (years) 59.84 ± 8.44 60.18 ± 7.29 0.85
Male/female 30/08 27/6 0.76
BMI (kg/m2) 26.96 ± 3.34 27.58 ± 3.40 0.44
Pulmonary function    
   FVC (L) 3.55 ± 0.61 3.64 ± 0.64 0.27
   % predicted 97.72 ± 13.42 99.44 ± 13.07 0.29
   FEV1 (L) 2.78 ± 0.44 2.86 ± 0.49 0.23
   % predicted 100.6 ± 12.20 98.88 ± 11.25 0.26
   PaO2 (mmHg) 76.18 ± 5.75 77.36 ± 4.49 0.34
   PaCO2 (mmHg) 38.47 ± 3.47 39.15 ± 3.65 0.42
   Shunt fraction (%) 0.04 ± 0.02 0.03 ± 0.02 0.09
Operative time (min) 304.7 ± 20.70 300.6 ± 19.75 0.39
Grafts per patient 2.47 ± 0.68 2.54 ± 0.66 0.65
  1. Data are shown as mean ± standard deviation. (BMI = body mass index; FEV1 = Forced expiratory volume in 1 second; FVC = forced vital capacity; PaCO2 = partial pressure of arterial carbon dioxide; PaO2 = partial pressure of arterial oxygen).