Table 5.
Performance of Risk Assessment Tool and Frailty Assessment Methods in Predicting Postoperative Complications
| Cox&Snell R2 | Nagelkerke R2 | Hosmer-Lemeshow χ2 (P-value) | AUC (95% CI) | ΔAUC (P-value)★* | |
|---|---|---|---|---|---|
| SASA | 0.194 | 0.276 | 10.531 (0.104) | 0.768 (0.702, 0.826) | |
| Frailtya | 0.082 | 0.117 | 4.176 (0.243) | 0.684 (0.614, 0.749) | ★0.1034 |
| SASA+ Frailtya | 0.219 | 0.310 | 17.689 (0.024) | 0.787 (0.722, 0.842) | *0.0186 (0.2802) |
| Frailtyb | 0.119 | 0.169 | 22.276 (0.004) | 0.728 (0.660, 0.789) | ★0.4586 |
| SASA+ Frailtyb | 0.236 | 0.335 | 16.976 (0.030) | 0.798 (0.734, 0.852) | *0.0296 (0.1455) |
| Frailtyc | 0.168 | 0.239 | 3.805 (0.283) | 0.753 (0.686, 0.812) | ★0.7411 |
| SASA+ Frailtyc | 0.255 | 0.362 | 8.637 (0.280) | 0.815 (0.753, 0.867) | *0.0471 (0.0478) |
Notes: aFRAIL; bFrailty index; cClinical frailty score. ★Difference between SASA and any frailty evaluation method. *Difference between SASA and SASA +any frailty evaluation method.