Table 4.
Sensitivity, specificity, predictive values, and likelihood ratios of new index according to different cutoffs for the diagnosis of CR
| Cutoff | CR predicted by New index |
All patients n (%) |
Renal allograft biopsy | Sen | Spe | NPV | PPV | ‐LR | +LR | |
|---|---|---|---|---|---|---|---|---|---|---|
|
AR n (%) |
CR n (%) |
|||||||||
| Derivation group (n = 66) | ||||||||||
| 0.36 | AR | 31 (47%) | 30 (73%) | 1 (4%) | 96% | 73% | 97% | 69% | 0.05 | 3.6 |
| CR | 35 (53%) | 11 (27%) | 24 (96%) | |||||||
| 0.70 | AR | 51 (77%) | 38 (93%) | 13 (52%) | 48% | 93% | 75% | 80% | 0.56 | 6.6 |
| CR | 15 (23%) | 3 (7%) | 12 (48%) | |||||||
| Validation group (n = 38) | ||||||||||
| 0.36 | AR | 21 (55%) | 18 (82%) | 3 (19%) | 81% | 82% | 86% | 76% | 0.23 | 4.5 |
| CR | 17 (45%) | 4 (18%) | 13 (81%) | |||||||
| 0.70 | AR | 28 (74%) | 21 (95%) | 7 (44%) | 56% | 95% | 75% | 90% | 0.46 | 12 |
| CR | 10 (26%) | 1 (5%) | 9 (56%) | |||||||