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Table 4 Patient data, with each patient group divided in two subgroups, based on whether patients were transfused in the operating room or not

From: Intra-operative intravenous fluid restriction reduces perioperative red blood cell transfusion in elective cardiac surgery, especially in transfusion-prone patients: a prospective, randomized controlled trial

Variable Group A (fluid restriction) Group B (liberal fluid administration)
  Transfused (19 pts) Not transfused (81 pts) Transfused (62 pts) Not transfused (30 pts)
Age (yr) 70.4 ± 4.76 65.0 ± 8.15 65.5 ± 7.42 ## 63.4 ± 9.59
Females, n (%) 8 (47.0%) 9 (52.9%) 14 (87.5%) 2 (12.5%)
Weight (kg) 72.9 ± 12.12 78.2 ± 11.24 74.5 ± 9.30 77.4 ± 12.81
Height (cm) 160.3 ± 5.63 168.6 ± 7.38 166.5 ± 7.98 171.0 ± 6.40
BMI 28.4 ± 4.77 27.4 ± 3.17 26.8 ± 2.83 26.4 ± 3.59
BSA (m2) 1.73 ± 0.14 1.87 ± 0.17 1.81 ± 0.15 # 1.88 ± 0.17
Preop. Hct (%) 38.4 ± 2.86 40.6 ± 4.62 39.9 ± 3.77 41.9 ± 3.79
  1. # p < 0.05, ## p < 0.01, p < 0.001, p < 0.0001, when comparing transfused Group A patients vs. Transfused Group B patients.