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Table 2 Comparison of long-term prognostic performance between scores

From: Comparison of different clinical risk scores to predict long-term survival and neurological outcome in adults after cardiac arrest: results from a prospective cohort study

Score OHCA CAHP APACHE II SAPS II
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)
  1. Data presented as median (IQR) unless otherwise specified
  2. APACHE II Acute Physiology and Chronic Health Evaluation Score II, AUROC area under the receiver operating characteristics curve, CAHP Cardiac Arrest Hospital Prognosis Score, OHCA Out-of-Hospital Cardiac Arrest Score, HR hazard ratio, OR odds ratio, SAPS II Simplified Acute Physiology Score II