Table 3. The association between type of complaint and clinical outcomes.
| Non-Specific Complaints (N = 244) | Specific Complaints (N = 1540) |
HR (95% CI) | |
|---|---|---|---|
| Hospitalization (%) | 205 (84.0%) | 1095 (71.1%) | 1.2 (1.0–1.4)1 |
| Length of stay, days, median (IQR)# | 9 (4–15)* | 6 (2–12)* | |
| In-hospital mortality (%)# | 32 (15.6%)* | 103 (9.4%)* | 1.6 (1.1–2.5)2 |
| ED-return visits (%) | 57 (23.4%) | 435 (28.5%) | 0.8 (0.6–1.1)3 |
| 30-day mortality (%)# | 49 (20.1%) | 169 (11.0%) | 1.7 (1.2–2.4)4 |
HR = Hazard Ratio. CI = Confidence Interval. ED = Emergency Department.
# = P<0.05.
* fraction of hospitalized patients.
1 Multivariate analysis: no confounders.
2 Multivariate analysis: ‘CCI’ and ‘prior hospitalization within 90 days’.
3 Multivariate analyses: ‘CCI” and prior hospitalization within 90 days’.
4 Multivariate analyses: ‘CCI’, ‘number of medications’ and ‘triage level’.