Tab. I.
Comparison between the absolute numbers of the infectious disease notifications made in the pre-pandemic (2017-2019) and pandemic (2020-2022) periods, with corresponding percentage changes (Δ%) and statistical significance.
| 2017-2019 absolute number of notifications | 2020-2022 absolute number of notifications | Δ% | Fisher test | |
|---|---|---|---|---|
| Acute hepatitis B | 6 | 2 | -66.7% | ns |
| Brucellosis | 24 | 11 | -54.2% | p = 0.0352; OR = 0.4727 |
| Hepatitis A | 27 | 1 | -96.3% | p < 0.0001; OR = 0.0382 |
| Legionellosis | 13 | 10 | -23.1% | ns |
| Measles | 97 | 0 | -100% | p < 0.0001; OR = 0.0053 |
| Meningoencephalitis | 25 | 7 | -72.0% | p = 0.002; OR = 0.2888 |
| Mumps | 9 | 3 | -66.7% | ns |
| Non-tuberculous mycobacteriosis | 9 | 13 | +44.4% | ns |
| Non-typhoid salmonellosis | 26 | 25 | -3.8% | ns |
| Pediculosis | 5 | 3 | -40% | ns |
| Pertussis | 9 | 0 | -100% | p = 0.0031; OR = 0.0543 |
| Rickettsiosis | 10 | 4 | -60.0% | ns |
| Rubella | 1 | 0 | 0% | ns |
| Scabies | 79 | 205 | +159.5% | p < 0.0001; OR = 2.677 |
| Scarlet fever | 24 | 2 | -91.7% | p < 0.0001; OR = 0.0859 |
| Syphilis | 17 | 22 | +29.4% | ns |
| Tetanus | 3 | 0 | -100% | ns |
| Tuberculosis | 75 | 42 | -44.0% | p = 0.0039; OR = 0.5775 |
| Varicella | 201 | 16 | -92.0% | p < 0.0001; OR = 0.0821 |
| Others | 12 | 26 | +116.7% | ns |
| Total | 672 | 393 | -41.5% | p < 0.0001; OR = 0.6093 |
| ns: not significant. | ||||