Table 4.
Segmented Poisson regression analysis for patients with psychiatric illnesses per 100,000 patients visiting EDs during the 22 weeks in 2020 compared to same period in the previous year.
| Rate Ratio * | 95% CI | ||
|---|---|---|---|
| All psychiatric disorders | 1.12 | 1.03 | 1.20 |
| Psychiatric self-harm | 1.53 | 1.33 | 1.77 |
| Principal psychiatric | 1.04 | 0.97 | 1.11 |
| Principal psychosis | 1.22 | 1.05 | 1.42 |
| Principal mood disorder | 1.20 | 1.07 | 1.35 |
* Rate ratios of ED visits with psychiatric illnesses per 100,000 ED visits were adjusted for week, interaction term (both periods × week), and harmonic term. CI, confidence interval; ED, emergency department.