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Table 2 90-day mortality rate and internal validation of Heidelberg Mortality Risk Score

From: Comparison of score-based prediction of 90-day mortality after liver resection

Mortality Risk Score Points

Risk Score Groups

N total

N 90-day mortality

% 90-day mortality

OR

95% CI

p-value

0 + 1

1 (very low-risk)

193

1

0.5

1

  

2

2A (low-risk)

130

1

0.8

0.50

0.03–3.98

0.5547

3

2B (low-risk)

99

6

6.1

4.19

1.08–20.21

0.0459

4

3A (medium-risk)

55

5

9.1

6.50

1.54–32.55

0.0123

5

3B (medium-risk)

32

3

9.4

6.72

1.20–37.86

0.0234

≥6

4 (high-risk)

20

8

40.0

43.33

9.87–234.14

< 0.0001

  1. OR Odds ratio CI Confidence interval