Table 4.
Performance for the original model and the intercept adjusted model in the overall population based on CKD-EPI equation defined chronic kidney disease
| Performance | Korean risk score [10] | Thai risk score [9] | ||||||
|---|---|---|---|---|---|---|---|---|
| Model | Original | Adjusted | Original | Adjusted | ||||
| Outcome | eGFR < 60 | Any CKD | eGFR < 60 | Any CKD | eGFR < 60 | Any CKD | eGFR < 60 | Any CKD |
| E/O (95 % CI) | 0.10 (0.09-0.12) | 0.10 (0.09-0.11) | 0.80 (0.69-0.92) | 0.79 (0.69-0.91) | 1.25 (1.08-1.44) | 1.18 (1.03-1.38) | 1.04 (0.91-1.21) | 1.03 (0.90-1.19) |
| Brier score | 0.187 | 0.197 | 0.123 | 0.123 | 0.128 | 0.128 | 0.126 | 0.127 |
| Yates slope | 0.034 | 0.036 | 0.212 | 0.230 | 0.236 | 0.243 | 0.213 | 0.225 |
| C-statistic (95 % CI) | 0.850 (0.821-0.880) | 0.863 (0.835-0.891) | 0.850 (0.821-0.880) | 0.863 (0.835-0.891) | 0.808 (0.775-0.842) | 0.820 (0.788-0.852) | 0.808 (0.775-0.842) | 0.820 (0.788-0.852) |
| Best threshold | 0.02 | 0.02 | 0.22 | 0.22 | 0.25 | 0.27 | 0.22 | 0.23 |
| Sensitivity (%) | 81 | 82 | 81 | 82 | 71 | 72 | 71 | 72 |
| Specificity (%) | 82 | 82 | 82 | 82 | 85 | 86 | 85 | 86 |
CKD; chronic kidney disease, eGFR, estimated glomerular filtration rate; E/O, Expected/Observed event rate; 95 % CI: 95 % confidence interval