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Table 3 Comparison of potential risk factors for developing complications

From: Comparison of risk-scoring systems in the prediction of outcome after liver resection

Variable (median)

CD 0–II (n = 130)

CD III–V (n = 42)

P value

Age (range)

69 (22–90)

70 (49–88)

0.47

Gender (%)

0.057

 Male

85 (65.4)

34 (81)

 Female

45 (34.6)

8 (19)

ASA (%)

0.187

 I–II

80 (61.5)

21 (50)

 III–IV

50 (38.5)

21 (50)

CCI (range)

4 (0–7)

5 (1–9)

0.021

Preoperative chemotherapy (%)

0.85

 Yes

46 (35.4)

16 (38.1)

 No

71 (54.6)

23 (54.8)

 Unknown

13 (10)

3 (7.1)

Number of segments resected (range)

3 (1–6)

4 (3–6)

< 0.001

VO2 at AT (ml/kg/min, [range])

12.8 (6.4–22.9)

12.5 (5.6–23.1)

0.84

VO2 peak (ml/kg/min, [range])

18.8 (6.4–35.5)

19.2 (11.8–30.8)

0.65

Oxygen pulse (ml/beat, [range])

11 (5–20.5)

12.3 (5–25.3)

0.39

Relative oxygen pulse (100 ml/beat/kg, [range])

15 (7.8–26.6)

14.9 (10–24.5)

0.52

Resting heart rate (beats/min, [range])

74 (39–115)

80 (43–119)

0.54

Peak heart rate (beats/min, [range])

131.5 (79–180)

133.5 (85–172)

0.89

VEeqCO2 at AT (range)

29.1 (17.1–49.9)

31.7 (24.4–46.2)

0.005

  1. Univariate analysis of association of age, gender, diagnosis, ASA grade, CCI, preoperative chemotherapy, extent of resection and CPET values with Clavien-Dindo 0–II and III–V complications following 172 liver resections