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Table 2 Differences Between GTN Groups

From: Efficacy of Glyceryl trinitrate (GTN) to facilitate the rewarming process during cardiopulmonary bypass

Variable Low GTN High GTN p-value
Age* 61.5 (11.9) 61.5 (6.96) 0.99
BMI* 28.8 (4.9) 28.4 (4.9) 0.77
Cross Clamp Time (mins)* 102.9 (32.1) 100.4 (32.0) 0.73
Euroscore 2** 1.6 (1.0) 1.8 (2.0) 0.72
Total Bypass Time (mins)** 130.0 (61.0) 123.5 (47.0) 0.64
Total Time to Re-warm (mins)** 33.0 (23.0) 35.5 (19.0) 0.84
Total Dose of GTN During Re-warming (mcg) 25.0 (25.0) 1506.0 (856.0) <  0.001
Duration of Surgery (mins)** 312.0 (120.0) 315.5 (65.0) 0.40
Time to Extubation (mins)** 900.0 (400.0) 900.0 (360.0) 0.99
ICU Arrival Lactate (mmol/l)** 2.3 (1.9) 1.8 (2.6) 0.97
First Hour Lactate (mmol/l)** 1.8 (1.5) 1.7 (2.6) 0.94
Second Hour Lactate (mmol/l)** 2.0 (1.7) 2.0 (2.6) 0.98
Third Hour Lactate (mmol/l)** 1.9 (1.7) 1.8 (1.9) 0.97
Fourth Hour Lactate (mmol/l)** 2.1 (2.2) 2.1 (2.2) 0.67
Fifth Hour Lactate (mmol/l)** 2.1 (2.9) 2.0 (1.9) 0.74
Sixth Hour Lactate (mmol/l)** 2.2 (2.3) 2.6 (2.6) 0.87
  1. Note: * Values are mean (standard deviation), ** Values are median (interquartile range)