Table 5.
Comparison of Serum Albumin Alone, CURB-65 and PSI Class with The Accuracy of APUA Model for Evaluating the Risk of in-Hospital Mortality in Community-Acquired Pneumonia Patients with Type 2 Diabetes by NRI and IDI
| Variables | NRI (95% CI) | P | IDI (95% CI) | P |
|---|---|---|---|---|
| Training set (N=359) | ||||
| Albumin | 0.861(0.533~1.189) | <0.001 | 0.080(0.032~0.127) | 0.001 |
| CURB-65 | 0.766(0.462~1.070) | <0.001 | 0.087(0.040~0.134) | <0.001 |
| PSI class | 0.815(0.493~1.137) | <0.001 | 0.076(0.023~0.128) | 0.005 |
| Validation set (N=172) | ||||
| Albumin | 0.599(0.041~1.157) | 0.035 | 0.067(−0.033~0.167) | 0.188 |
| CURB-65 | 0.693(0.170~1.216) | 0.009 | 0.109(0.027~0.191) | 0.010 |
| PSI class | 0.643(0.119~1.166) | 0.016 | 0.086(0.005~0.168) | 0.038 |
Abbreviations: NRI, net reclassification improvement; IDI, integrated discrimination improvement; CI, confidence interval; PSI, Pneumonia Severity Index.