Table 1 Trend of laboratory-confirmed RSV infections by year and age-classes; OPBG, January 2018– December 2022. Infections were confirmed via either antigenic or PCR tests
2018 N (%) | 2019 N (%) | 2020 N (%) | 2021 N (%) | 2022 N (%) | Total N (%) | P-value* | |
|---|---|---|---|---|---|---|---|
Age classes | |||||||
< 1 | 538 (66.3%) | 592 (63.9) | 226 (67.5) | 513 (57.2) | 318 (56.2) | 2,187 (61.8) | < 0.001 |
1–4 | 196 (24.2) | 249 (26.9) | 84 (25.1) | 299 (33.3) | 170 (30.0) | 998 (28.2) | 0.0002 |
5–9 | 44 (5.4) | 46 (5.0) | 15 (4.5) | 54 (6.0) | 49 (8.7) | 208 (5.9) | 0.01 |
≥ 10 | 33 (4.1) | 40 (4.3) | 10 (2.9) | 31 (3.5) | 29 (5.1) | 143 (4.0) | 0.8 |
Total | 811 (100.0) | 927 (100.0) | 335 (100.0) | 897 (100.0) | 566 (100.0) | 3,536 (100.0) |