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Table 2 Surgical characteristics of the study patientsa

From: Thiamine as an adjunctive therapy in cardiac surgery: a randomized, double-blind, placebo-controlled, phase II trial

  Thiamine (n = 31) Placebo (n = 33) p value
Vessels grafted    0.14
 1 5 (17) 6 (18)  
 2 0 (0) 5 (15)  
 3 13 (43) 14 (42)  
 4 11 (37) 8 (24)  
 5 1 (3) 0 (0)  
Valve surgery    0.15
 None 17 (55) 22 (67)  
 Aortic 13 (42) 7 (21)  
 Mitral 1 (3) 4 (12)  
Other procedure 2 (6) 1 (3) 0.61
Intra-operative complication(s) 2 (6) 0 (0) 0.23
Length of surgery (min) 211 (186, 251) 210 (191, 226) 0.56
Bypass time (min) 95 (69, 118) 80 (72, 96) 0.24
Cross-clamp time (min) 77 (54, 98) 63 (54, 76) 0.13
Received red blood cells 9 (29) 5 (15) 0.23
Fluids/transfusion (mL)    
 Saline 1000 (500, 1500) 1000 (400, 1800) 0.84
 Lactated Ringer’s 1700 (1000, 2000) 1600 (1200, 2100) 0.85
 Cell saver 400 (300, 450) 250 (300, 430) 0.49
Estimated blood loss (mL)b 200 (123, 500) 200 (123, 500) 0.79
Urine output (mL) 350 (265, 600) 515 (325, 710) 0.13
  1. aCategorical variables are presented as count (frequency) and continuous variables as median (quartiles)
  2. bAs estimated by the surgeon. Missing on seven patients