Table 3.
The final multivariate logistic regression model on which the nomogram was based.a
| Variable | Coefficient | OR | 95% CI | P value |
|---|---|---|---|---|
| Age (years) | 0.059 | 1.061 | 1.028–1.095 | <0.001 |
| Lymphocyte count (109/L) | −2.567 | 0.077 | 0.023–0.257 | <0.001 |
| Pulmonary opacity score (%) | 0.053 | 1.055 | 1.035–1.075 | <0.001 |
Abbreviations: OR, odds ratio; CI, confidence interval; AUC, area under the receiver operating characteristic curve.
a
AUC: 0.93 (95% CI, 0.90–0.96) in the derivation cohort; 0.85 (95% CI, 0.76–0.93) in the validation cohort.