Table 2.
Characteristics of reported influenza incidents and comparisons between the two influenza seasons
| Incident characteristics | Season 2021-22 | Season 2022-23 | Both seasons |
p- value1 |
|---|---|---|---|---|
| Total influenza incidents announced, N | 23 | 20 | 43 | - |
| Total number of influenza cases, N | 90 | 65 | 155 | - |
| Infected residents, % | 7.6 | 4.8 | 6.22 | < 0.01 |
| Number of cases per incident, median (IQR) | 2 (2) | 2 (3) | 2 (2.5) | 0.83 |
| Attack rate, median (IQR) | 3.6% (4.2) | 2.5% (4.5) | 3.2% (4.5) | 0.44 |
| Duration of incident in days, median (IQR) | 5 (7) | 9 (7.3) | 7 (7.5) | 0.22 |
| Total number of fatalities, N | 5 | 16 | 21 | - |
| Case fatality (all incidents), % | 5.6 | 24.6 | 13.5 | < 0.01 |
N: number, %: percentage, IQR: interquartile range
1 Comparisons between the two influenza seasons
2 Weighted average of the two study periods