Table 2 Blood test at admission and surgical data (values are presented as mean ± SD, number (%) or median (IQR))

WBC, 10⁹/L

10.1 [8.0, 12.1]

9.5 [7.9, 12.3]

0.539

 WBC > 12*10⁹/L (%)

21 (26.2)

22 (27.5)

1

 NLR

6.7 [4.4, 10.1]

5.8 [4.4, 8.3]

0.308

RBC, 10^12/L

3.6 ± 0.7

3.6 ± 0.6

0.767

Hgb, g/L

104.1 ± 22.4

105.0 ± 17.0

0.778

 Hgb < 80 g/L (%)

11 (13.8)

5 (6.2)

0.188

PLT, 10⁹/L

207.0 [165.2, 245.5]

197.5 [168.2, 242.0]

0.672

ALB, g/L

33.2 ± 3.9

33.6 ± 3.5

0.54

 ALB < 35 (%)

53 (66.2)

54 (67.5)

1

Hypokalemia (%)

14 (17.5)

16 (20.0)

0.839

Hyperkalemia (%)

5 (6.2)

3 (3.8)

0.717

Hyponatremia (%)

14 (17.5)

12 (15.0)

0.83

Hypernatremia (%)

2 (2.5)

7 (8.8)

0.17

Hypocalcemia (%)

13 (16.2)

11 (13.8)

0.825

Fracture type (%)

0.75

 Stable fracture

46 (57.5)

43 (53.8)

 Unstable fracture

34 (42.5)

37 (46.2)

Fixation (%)

0.275

 CMN with blade

52 (65.0)

45 (56.2)

 CMN with screw

27 (33.8)

31 (38.8)

 PFBN

1 (1.2)

4 (5.0)

Timing of surgery, h

94.3 [66.0, 142.5]

89.9 [57.6, 135.6]

0.228

Surgery time, min

74.0 [60.0, 93.5]

76.0 [62.8, 90.5]

0.484

Anesthesia (%)

0.871

 General

32 (40.0)

30 (37.5)

 Spinal

48 (60.0)

50 (62.5)

Nerve block (%)

37 (46.2)

45 (56.2)

0.268

Blood loss, ml

100.0 [97.5, 200.0]

150.0 [100.0, 250.0]

0.198

Blood transfusion (%)

24 (30.0)

21 (26.2)

0.725

Plan ICU

5 (6.2)

0.263^P

0.263

No Plan ICU

2 (2.5)

0.440^Y

0.440