8. C‐statistics for the comparison of the predictive performance of ASA classification to the RCRI using outcomes other than cardiovascular.
| Author | Outcome | Prediction horizon | N events | N total | c‐statistic RCRI | CI (95%) c‐statistic RCRI | c‐statistic ASA | CI (95%) c‐statistic RCRI |
| Bronheim 2018 | Any noncardiac complication | 30 days | 3399 | 52,066 | 0.62 | (0.61 to 0.63) | 0.77 | (0.73 to 0.82) |
| Bronheim 2018 | Unplanned intubation | 30 days | 111 | 52,066 | 0.84 | (0.83 to 0.84) | 0.74 | (0.74 to 0.75) |
| Bronheim 2018 | Pulmonary embolism | 30 days | 149 | 52,066 | 0.41 | (0.4 to 0.42) | 0.81 | (0.81 to 0.82) |
| Bronheim 2018 | Ventilated > 48 hours | 30 days | 65 | 52,066 | 0.85 | (0.84 to 0.85) | 0.74 | (0.74 to 0.75) |
| Bronheim 2018 | Acute renal failure | 30 days | 36 | 52,066 | 0.88 | (0.88 to 0.89) | 0.79 | (0.78 to 0.79) |
| Bronheim 2018 | Cerebrovascular accident | 30 days | 42 | 52,066 | 0.75 | (0.74 to 0.75) | 0.84 | (0.84 to 0.84) |
| Bronheim 2018 | Coma > 24 hours | 30 days | 8 | 52,066 | 0.90 | (0.87 to 0.93) | 0.65 | (0.65 to 0.66) |
| Bronheim 2018 | Sepsis | 30 days | 259 | 52,066 | 0.83 | (0.82 to 0.83) | 0.91 | (0.9 to 0.91) |
| Bronheim 2018 | Septic shock | 30 days | 50 | 52,066 | 0.85 | (0.84 to 0.85) | 0.76 | (0.76 to 0.76) |
| Bronheim 2018 | Reoperation | 30 days | 912 | 52,066 | 0.85 | (0.85 to 0.86) | 0.87 | (0.86 to 0.87) |
| Bronheim 2018 | Superficial surgical site infection | 30 days | 452 | 52,066 | 0.72 | (0.71 to 0.72) | 0.84 | (0.84 to 0.85) |
| Bronheim 2018 | Deep incisional surgical site infection | 30 days | 297 | 52,066 | 0.88 | (0.88 to 0.88) | 0.95 | (0.95 to 0.95) |
| Bronheim 2018 | Organ space surgical site infection | 30 days | 104 | 52,066 | 0.88 | (0.87 to 0.88) | 0.78 | (0.77 to 0.78) |
| Bronheim 2018 | Wound dehiscence | 30 days | 102 | 52,066 | 0.72 | (0.71 to 0.72) | 0.79 | (0.79 to 0.8) |
| Bronheim 2018 | Pneumonia | 30 days | 177 | 52,066 | 0.74 | (0.73 to 0.74) | 0.82 | (0.82 to 0.83) |
| Bronheim 2018 | Progressive renal insufficiency | 30 days | 35 | 52,066 | 0.85 | (0.84 to 0.85) | 0.81 | (0.81 to 0.82) |
| Bronheim 2018 | Urinary tract infection | 30 days | 558 | 52,066 | 0.74 | (0.73 to 0.74) | 0.83 | (0.82 to 0.83) |
| Bronheim 2018 | Peripheral nerve injury | 30 days | 21 | 52,066 | 0.07 | (0.07 to 0.08) | 0.51 | (0.51 to 0.52) |
| Bronheim 2018 | Bleeding transfusions | 30 days | 1621 | 52,066 | 0.71 | (0.71 to 0.72) | 0.80 | (0.8 to 0.8) |
| Bronheim 2018 | Deep vein thrombosis/thrombophlebitis | 30 days | 165 | 52,066 | 0.71 | (0.7 to 0.71) | 0.78 | (0.78 to 0.79) |
| Bronheim 2018 | Readmission | 30 days | NR | 52,066 | 0.84 | (0.83 to 0.84) | 0.91 | (0.9 to 0.91) |
| Ehlert 2016 | Clavien Dindo class IV complications | In‐hospital | 800 | 5621 | 0.56 | NR | 0.55 | NR |
| Ehlert 2016 | Clavien Dindo class IV complications | In‐hospital | 541 | 15,354 | 0.59 | NR | 0.56 | NR |
| Ehlert 2016 | Clavien Dindo class IV complications | In‐hospital | 455 | 8367 | 0.56 | NR | 0.57 | NR |
| Ehlert 2016 | Clavien Dindo class IV complications | In‐hospital | 32 | 1833 | 0.56 | NR | 0.59 | NR |
| Ehlert 2016 | Clavien Dindo class IV complications | In‐hospital | 835 | 40,803 | 0.69 | NR | 0.56 | NR |
| Farina‐Castro 2020 | Postoperative complications (CCI 0 vs CCI ≥ 1) | Not reported | 179 | 244 | 0.69 | (0.60 to 0.79) | 0.65 | (0.56 to 0.74) |
| James 2014 | Surgical complications | 30 days | 40 | 83 | 0.53 | (0.4 to 0.65) | 0.60 | (0.48 to 0.72) |
| Makary 2010 | Surgical complications | 30 days | 34 | 594 | 0.72 | NR | 0.71 | NR |
| Makary 2010 | Discharge to a nursing facility | In‐hospital | 14 | 594 | 0.75 | NR | 0.78 | NR |
| Press 2006 | All‐cause mortality or nonfatal stroke | 30 days | 64 | 1998 | 0.61 | NR | 0.53 | NR |
| Press 2006 | Noncardiac complications | 30 days | 63 | 1998 | 0.66 | NR | 0.62 | NR |
| Press 2006 | Minor neurological complications | 30 days | 138 | 1998 | 0.56 | NR | 0.53 | NR |
| Press 2006 | Wound complications | 30 days | 119 | 1998 | 0.61 | NR | 0.54 | NR |
NR: not reported