Table 1.
Clinical manifestation of norovirus (NV) and rotavirus (RV) infections according to 20-point severity score [12]
| Clinical symptoms | Score | NV, n = 35; (%) | RV, n = 51; (%) | p value |
|---|---|---|---|---|
| Duration of diarrhea (days) | ||||
| 0 | 0 | 0 | 0 | 0.17 |
| 1–4 | 1 | 30 (85.7) | 35 (68.6) | |
| 5 | 2 | 1 (2.9) | 5 (9.8) | |
| ≥6 | 3 | 4 (11.4) | 11 (21.6) | |
| Diarrhea episodes/24 h | ||||
| 0 | 0 | 0 | 0 | 0.09 |
| 1 | 1 | 16 (45.7) | 12 (23.5) | |
| 2 | 2 | 10 (28.6) | 22 (43.1) | |
| ≥3 | 3 | 9 (25.7) | 17 (33.4) | |
| Duration of vomiting (days) | ||||
| No vomiting | 0 | 1 (2.8) | 5 (9.8) | 0.13 |
| 1 | 1 | 15 (42.9) | 19 (37.3) | |
| 2 | 2 | 12 (34.3) | 9 (17.6) | |
| ≥3 | 3 | 7 (20.0) | 18 (35.3) | |
| Vomiting episodes/24 h | ||||
| No vomiting | 0 | 1 (2.8) | 5 (9.8) | 0.15 |
| 1 | 1 | 6 (17.1) | 4 (7.8) | |
| 2–4 | 2 | 15 (42.9) | 30 (58.8) | |
| ≥5 | 3 | 13 (37.1) | 12 (23.6) | |
| Fever (°C) | ||||
| <37.0 | 0 | 25 (71.4) | 15 (29.4) | 0.002 |
| 37.1–38.4 | 1 | 8 (22.9) | 12 (23.5) | |
| 38.5–38.9 | 2 | 2 (5.7) | 13 (25.5) | |
| ≥39.0 | 3 | 0 | 11 (21.6) | |
| Dehydration | ||||
| None | 0 | 0 | 0 | 0.40 |
| 1–5% | 2 | 35 (100) | 50 (98.0) | |
| ≥6% | 3 | 0 | 1 (2.0) | |
| Severity scorea | ||||
| Mild | 0–7 | 0 | 1 (2.0) | 0.01 |
| Moderate | 8–13 | 30 (85.7) | 28 (54.9) | |
| Severe | 14–20 | 5 (14.3) | 22 (43.1) | |
aAll children were hospitalized and therefore received an extra 2 points
Figures in bold highlight the highest value