Table 2 Performance criteria for all ISAR cut-points and readmission at 30 and 90 days after discharge (n = 386)
Predictive value | |||||
|---|---|---|---|---|---|
+ | - | ||||
Outcomes and ISAR-R cut-points | Positive % (n = 386) | Sensitivity (%) | Specificity (%) | n (%) | n (%) |
30-day readmission (51/386 = 13.2%) | (n = 51) | (n = 335) | |||
1 + | 91% | 100% | 10% | 352 (14%) | 34 (100%) |
2 + | 65% | 84% | 38% | 252 (17%) | 134 (94%) |
3 + | 39% | 51% | 63% | 151 (17%) | 235 (89%) |
4 + | 20% | 31% | 82% | 76 (21%) | 310 (89%) |
5 + | 4% | 8% | 96% | 17 (24%) | 369 (87%) |
6 | 1% | 2% | 99% | 3 (33%) | 383 (87%) |
AUC [95% CI] | 0.63 [0.56; 0.71] | ||||
90-day readmission (96/386 = 24.9%) | (n = 96) | (n = 290) | |||
1 + | 91% | 97% | 11% | 352 (26%) | 34 (91%) |
2 + | 65% | 81% | 40% | 252 (31%) | 134 (87%) |
3 + | 39% | 51% | 65% | 151 (32%) | 235 (87%) |
4 + | 20% | 28% | 83% | 76 (36%) | 310 (78%) |
5 + | 4% | 8% | 97% | 17 (47%) | 369 (76%) |
6 | 1% | 2% | 100% | 3 (67%) | 383 (75%) |
AUC [95% CI] | 0.63 [0.57; 0.69] | ||||