Table 4. Predictor variables and multivariate model for pneumonia events in patients without diabetic nephropathy.
| Predictors | Hazard ratio | 95% CI | P value |
| Predictor variables | |||
| Age (per 10-year age increase) | 1.51 | 1.27–1.80 | <0.001 |
| Body mass index (per 1 kg/m2 increase) | 1.00 | 0.92–1.09 | 0.938 |
| Hypertension (yes/no) | 1.72 | 0.94–3.17 | 0.081 |
| Cardiovascular disease (yes/no) | 0.35 | 0.05–2.54 | 0.300 |
| Stroke (yes/no) | 1.75 | 0.75–4.10 | 0.195 |
| DBP (per 1 mmHg increase) | 0.97 | 0.95–0.99 | 0.003 |
| MAP (per 1 mmHg increase) | 0.99 | 0.98–1.00 | 0.071 |
| eGFR (per 1mL/min per 1.73m2 increase) | 0.93 | 0.85–1.03 | 0.146 |
| C-reactive protein(per 1 mg/L increase) | 1.00 | 0.98–1.03 | 0.852 |
| Serum albumin (per 1g/L increase) | 1.00 | 0.95–1.05 | 0.937 |
| Multivariate modela | |||
| Age (per 10-year age increase) | 1.63 | 1.35–1.96 | <0.001 |
Abbreviations: DBP, diastolic blood pressure; MAP, mean artery pressure; eGFR, estimated glomerular filtration rate; CI, confidence interval.
a
Adjusted for variables from the above predictor variables using a backward stepwise cox proportional hazards model with a stay criterion of 0.10. P<0.05 represents statistical significant.