Table 3

Crude outcomes stratified by the RCRI

RCRI 0
N=79 941
RCRI 1
N=36 848
RCRI 2
N=13 086
RCRI 3
N=3971
RCRI ≥4
N=1069
P value
Length of stay<0.001
 Median (IQR)7 (5–11)8 (5–12)8 (5–13)8 (5–13)8 (5–13)
 Missing, n (%)595 (0.7%)240 (0.7%)102 (0.8%)36 (0.9%)10 (0.9%)
30-day mortality, n (%)4077 (5.1%)3372 (9.2%)1802 (13.8%)726 (18.3%)231 (21.6%)<0.001
90-day mortality, n (%)7835 (9.8%)5734 (15.6%)2835 (21.7%)1116 (28.1%)345 (32.3%)<0.001
1-year mortality, n (%)14 465 (18.1%)9713 (26.4%)4734 (36.2%)1797 (45.3%)544 (50.9%)<0.001
  • RCRI, Revised Cardiac Risk Index.