Results of Cox proportional hazards model for readmission for patients by attendance at primary care follow-up
| Factor | HR (95% CI) | p value |
|---|---|---|
| Attended primary care appointment | 0.66 (0.40–1.09) | 0.1 |
| Age | 1.00 (0.76–1.31) | 0.96 |
| Male sex | 0.92 (0.54–1.56) | 0.8 |
| Length of stay | 1.04 (0.83–1.31) | 0.7 |
| Charlson Comorbidity Index | 1.01 (0.79–1.30) | 0.9 |
| ED visits in past 6 mo | 1.30 (1.08–1.56) | 0.005 |
Note: CI = confidence interval, ED = emergency department, HR = hazard ratio.