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Table 2 Patients’ basal and operative characteristics

From: Impact of intra-operative cell salvage on blood coagulation in high-bleeding-risk patients undergoing cardiac surgery with cardiopulmonary bypass: a prospective randomized and controlled trial

Variable Group CS (n = 53) Group C (n = 50) P value
Age (years) 50.42 (15.43) 52.53 (15.65) 0.549
 >70 12 (22.64) 13 (26.00) 0.691
Male 27 (50.94) 24 (48.00) 0.765
BSA 1.73 (0.14) 1.73 (0.13) 0.946
 <1.6 m2 5 (9.43) 4 (8.00) 1.000
Surgery type    0.922
 Multiple valve 36 (67.92) 33 (66.00)  
 Bentall 8 (15.09) 7 (20.00)  
 Reoperations 9 (16.98) 10 (14.00)  
Preoperative complication
 Renal dysfunction 19 (35.84) 18 (36.00) 0.987
 Liver insufficiency 9 (16.98) 7 (14.00) 0.676
 Coagulation disorders 15 (28.30) 13 (26.00) 0.793
 HB levels lower (<13 g/dL in male or <12 g/dL in female) 21 (39.62) 23 (46.00) 0.513
17 (32.08) 18 (36.00) 0.674
 PLT levels lower (<50 × 109/L) intake of aspirin or clopidogrel 12 (22.53) 11 (22.00) 0.938
CPB time (min) 136.05 (36.82) 126.65 (25.63) 0.342
Surgical time (min) 302.56 (28.02) 295.94 (22.02) 0.220
Tracheal intubation time (hour) 13.92 (10.83) 13.15 (3.62) 0.434
Length of ICU stay (hour) 19.42 (4.43) 20.42 (4.16) 0.099
Length of hospital stay (day) 22.56 (4.23) 23.38 (4.54) 0.206
Residual blood in CPB circuit 853.67 (50.46) 837.22 (92.53) 0.200
Intra-operative blood loss (mL) 1640.96 (87.73) 1609.03 (137.91) 0.072
MTD (mL)
 In 6 h 333.02 (147.14) 295.03 (152.82) 0.301
 In 24 h 657.78 (272.94) 591.96 (171.53) 0.071
Intra-operative heparin dose (mg) 244.63 (49.82) 241.06 (49.35) 0.778
Intra-operative protamine dose (mg) 428.37 (92.83) 417.36 (92.02) 0.478
  1. Data are presented as mean (SD) or number (percentage)
  2. MTD mediastinal tube drainage, patients with resternotomy were not calculated