Table 2 Comparison of long-term prognostic performance between scores

A: mortality at 2 years

 Score points in all patients (n = 415)

23

(8, 38)

161

(118, 196)

30

(26, 35)

65

(55, 75)

 Score points in survivors (n = 174)

9

(−3, 22)

118.5

(93, 145)

27

(22, 30)

58

(48, 66)

 Score points in non-survivors (n = 241)

31

(21, 45)

188

(160, 219)

33

(29, 38)

72

(61, 81)

 p-value (Wilcoxon rank-sum test)

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 HR per quartile (95% CI)

2.11

(1.85, 2.40)

2.31

(2.02, 2.64)

1.95

(1.73, 2.21)

1.92

(1.70, 2.17)

 AUROC (95% CI)

0.82

(0.78, 0.86)

0.87

(0.84, 0.90)

0.83

(0.79, 0.87)

0.81

(0.76, 0.85)

B: mortality at 6 years

 Score points in all patients (n = 292)

29

(15, 44)

179

(140, 209)

32

(28, 37)

68

(58, 79)

 Score points in survivors (n = 51)

13

(−2, 25)

115

(90, 141)

28

(23, 31)

58

(49.5, 67)

 Score points in non-survivors (n = 241)

31

(21, 45)

188

(160, 219)

33

(29, 38)

72

(61, 81)

 p-value (Wilcoxon rank-sum test)

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 HR per quartile (95% CI)

1.56

(1.37, 1.77)

1.79

(1.57, 2.04)

1.61

(1.42, 1.81)

1.55

(1.37, 1.74)

 AUROC (95% CI)

0.78

(0.71, 0.84)

0.88

(0.83, 0.93)

0.83

(0.77, 0.90)

0.80

(0.74, 0.87)

C: neurological outcome at 2 years

 Score points in all patients (n = 333)

27

(13, 42)

171

(134, 204)

31

(27, 36)

67

(58, 78)

 Score points in patients with good neurological outcome (n = 89)

12

(−1, 22)

119

(101, 145)

27

(23, 30)

60

(48, 68)

 Score points in patients with poor neurological outcome (n = 244)

31

(21, 45)

188

(159.5, 218.5)

33

(29, 38)

72

(61, 81)

 p-value (Wilcoxon rank-sum test)

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 OR per quartile (95% CI)

2.99

(2.25, 3.98)

3.86

(2.82, 5.30)

3.23

(2.41, 4.32)

2.49

(1.91, 3.24)

 AUROC (95% CI)

0.81

(0.76, 0.85)

0.86

(0.82, 0.90)

0.83

(0.78, 0.88)

0.78

(0.73, 0.84)