Table 2. Norovirus and sapovirus detected in cases and controls.
| Virus | Cases, N = 241 | Controls, N = 343 | ||
|---|---|---|---|---|
| N (%)* | N not mixed (%) | N (%)* | N not mixed (%) | |
| Norovirus | 76 (31.5)** | 59 (24.5)** | 70 (20.4) | 50 (14.6) |
| GI | 6 (2.5) | 6 (2.5) | 10 (2.9) | 7 (2.0) |
| GII | 71 (29.5)** | 54 (22.4)** | 62 (18.1) | 44 (12.8) |
| Sapovirus | 8 (3.3) | 4 (1.7) | 9 (2.6) | 4 (1.2) |
* Includes some cases or controls with mixed viral detection of Group F adenovirus, astrovirus or rotavirus.
**Proportion of cases positive statistically higher than controls (p<0.001).