Table 1.
Characteristics of included nursing homes and comparisons between the two influenza seasons
| Institution characteristics | Season 2021-22 | Season 2022-23 | Both seasons |
p- value1 |
|---|---|---|---|---|
| NHs included, N | 20 | 19 | 363 | - |
| Cumulative 2 number of NH beds, N | 1217 | 1405 | - 4 | - |
| Cumulative 2 number of residents, N | 1188 | 1363 | - 4 | - |
|
Cumulative 2 number of HCWs, N |
1995 | 2081 | - 4 | - |
| NH beds, median (IQR) | 52.5 (36) | 76 (48) | 61 (41.5) | 0.13 |
| NH residents, median (IQR) | 49.5 (33.2) | 76 (43.5) | 61 (37.5) | 0.16 |
| NH HCWs, median (IQR) | 76.5 (61.5) | 101 (71.5) | 95 (79.5) | 0.27 |
| Percentage of occupied beds, median (IQR) | 98.8 (3.5) | 100 (2.1) | 100 (2.6) | 0.22 |
|
HCWs per NH-bed, median (IQR) |
1.5 (0.5) | 1.5 (0.5) | 1.5 (0.5) | 0.94 |
|
NHs with an IPC link nurse, N (%) |
14 (70) | 17 (89) | 31 (79) | 0.13 |
Calculations for both periods have been done over 39 NHs (3 institutions reported cases in both influenza seasons). N: number, %: percentage, NH: nursing home, IQR: interquartile range, HCW: healthcare worker, IPC: infection prevention and control
1 Comparisons between the two influenza seasons
2 Sum of all included NHs
3 3 NHs announced incidents in both seasons
4 Not available