Table 4 Log-binomial regression for the association between case-fatality ratio (CFR) and surveillance period, region, and long-term care facilities bed capacity (epiweek 22-2022 to 38-2024).
From: SARS-CoV-2 outbreaks in long-term care facilities during the Omicron era in Québec, Canada
COVID-19 deaths (n) | Case-fatality ratio | Bivariate analysisa | Multivariate analysis | |||
|---|---|---|---|---|---|---|
Ratio of CFR | 95% CIb | Ratio of CFR | 95% CIb | |||
Surveillance periodc | ||||||
Wave 7 | 207 | 4.4 | 1 | 1 | ||
2022-23 season | 590 | 3.6 | 0.82 | 0.67–0.98 | 0.82 | 0.67–0.99 |
2023-24 season | 352 | 3.4 | 0.76 | 0.62–0.93 | 0.76 | 0.62–0.92 |
Region | ||||||
Montréal | 186 | 2.2 | 1 | 1 | ||
Greater Montréal Area | 108 | 4.5 | 2.04 | 1.48–2.82 | 2.08 | 1.46–2.93 |
Other urban regions | 469 | 4.2 | 1.90 | 1.57–2.30 | 1.91 | 1.56–2.35 |
Less populated regions | 386 | 4.1 | 1.84 | 1.49–2.27 | 1.88 | 1.51–2.34 |
Bed capacity | ||||||
10–39 | 73 | 4.2 | 1 | 1 | ||
40–64 | 146 | 4.1 | 0.97 | 0.70–1.35 | 0.96 | 0.69–1.33 |
65–99 | 254 | 3.8 | 0.89 | 0.67–1.19 | 0.92 | 0.68–1.25 |
100–149 | 245 | 3.5 | 0.84 | 0.63–1.12 | 0.93 | 0.68–1.25 |
≥ 150 | 431 | 3.4 | 0.81 | 0.62–1.08 | 0.99 | 0.74–1.32 |
