Table 2 Logistic regression analysis of serum parameters and severity score for predicting 30-day mortality and ICU admission
Variables | Prediction of mortality | Prediction of ICU admission | ||||||
|---|---|---|---|---|---|---|---|---|
Univariate | Multivariate | Univariate | Multivariate | |||||
Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | |
Age | 1.048 (1.026–1.072) |  < 0.001 | 1.032 (1.000–1.069) | 0.064 | 1.040 (1.023–1.059) |  < 0.001 | 1.022 (0.995–1.052) | 0.117 |
Gender | 1.702 (0.786–3.993) | 0.194 | – | – | 2.327 (1.179–4.943) | 0.020 | 1.655 (0.585–5.064) | 0.354 |
NMI (pg/ml) | 1.005 (1.003–1.007) |  < 0.001 | 1.005 (1.003–1.008) |  < 0.001 | 1.010 (1.007–1.014) |  < 0.001 | 1.008 (1.004–1.011) |  < 0.001 |
PCT (ng/ml) | 1.037 (1.019–1.059) |  < 0.001 | 0.969 (0.928–1.003) | 0.105 | 1.121 (1.070–1.198) |  < 0.001 | 1.058 (1.013–1.116) | 0.019 |
CRP (mg/l) | 1.012 (1.008–1.017) |  < 0.001 | 1.008 (1.001–1.016) | 0.026 | 1.011 (1.008–1.015) |  < 0.001 | 1.000 (0.993–1.007) | 0.964 |
WBC (10^9/l) | 1.037 (1.006–1.068) | 0.018 | 1.201 (0.667–1.716) | 0.371 | 1.065 (1.032–1.105) |  < 0.001 | 1.035 (0.758–1.444) | 0.829 |
Neutrophils (10^9/l) | 1.058 (1.02–1.097) | 0.002 | 0.780 (0.492–1.526) | 0.327 | 1.088 (1.049- 1.133) |  < 0.001 | 1.013 (0.653–1.536) | 0.951 |
NCP (%) | 1.111 (1.066–1.165) |  < 0.001 | 1.080 (0.982–1.197) | 0.121 | 1.083 (1.049–1.121) |  < 0.001 | 1.024 (0.948–1.116) | 0.562 |
PSI | 3.117 (2.290–4.434) |  < 0.001 | 0.889 (0.468–1.705) | 0.719 | 2.809 (2.181–3.709) |  < 0.001 | 1.190 (0.664–2.162) | 0.560 |
CURB65 score | 3.336 (2.474–4.682) |  < 0.001 | 2.882 (1.529–5.647) | 0.001 | 3.000 (2.323–3.972) |  < 0.001 | 2.051 (1.167–3.664) | 0.013 |