Predicted risk group (per 1,000)
Observed acute end-organ injury or death
Observed acute end-organ injury or death
Observed acute end-organ injury or death
Observed acute end-organ injury or death
Yes n (%) No n (%)
Likelihood ratio
95% CI
Very low risk <1.5
72 (3.66)
55,957 (8.85)
0.41
0.33 – 0.52
Low risk 1.5 to 3.0
834 (42.36)
403,060 (63.74)
0.66
0.61 – 0.72
Intermediate risk 3.0 to 5.0
408 (20.72)
108,085 (17.09)
1.21
1.09 – 1.35
High risk 5.0 to 15.0
485 (24.63)
58,854 (9.31)
2.65
2.40 – 2.92
Very high risk >15.0
170 (8.63)
6,365 (1.01)
8.58
7.32 – 10.05
Total 1,969 (100) 632,321 (100)