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Table 3 Arterial blood gas and shunt fraction measurements in the POD1.

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

  Group I Group II p value
PaO2 (mmHg) 61.95 ± 6.71 63.61 ± 6.59 0.29
PaCO2 (mmHg) 43.05 ± 6.27 41.03 ± 5.73 0.16
Shunt fraction (%) 0.21 ± 0.07 0.19 ± 0.06 0.18
  1. Data are shown as mean ± standard deviation. (PaCO2 = partial pressure of arterial carbon dioxide; PaO2 = partial pressure of arterial oxygen; POD1 = postoperative day 1).