Table 2 Perioperative hemoglobin, hematocrit, transfusion and blood loss according to serum calcium

Blood volume (L)

3.48 ± 0.55

3.52 ± 0.53

0.373

 Admission

113.25 ± 18.58

103.92 ± 20.22

< 0.001

 Postoperative

101.01 ± 16.82

86.67 ± 15.99

0.003

 △Hb

12.24 ± 17.39

17.25 ± 15.16

< 0.001

 Admission

35.09 ± 5.34

32.34 ± 5.93

< 0.001

 Postoperative

31.37 ± 5.07

27.12 ± 4.70

0.004

 △Hct

3.72 ± 5.40

5.22 ± 4.52

0.001

Blood transfusion, n (%)

30 (7.69)

31 (16.06)

0.003

Mean transfusion volume (ml)

516.67 ± 219.85

558.06 ± 289.57

0.533

Mean total blood loss (ml)

607.86 ± 497.07

719.18 ± 569.98

0.016