Table 1.
Epidemiological and clinical features of GII.3[P12] norovirus
| GII.3[P12] (%) n = 156 | GII.4 (%) n = 367 | GII.Other (%) n = 77 | Total (%) n = 600 | Statistic | p value | |
|---|---|---|---|---|---|---|
| Sex | 4.967 | 0.083 | ||||
| Male | 108 (69.2) | 230 (62.7) | 42 (54.5) | 380 (63.3) | ||
| Female | 48 (30.8) | 137 (37.3) | 35 (45.5) | 220 (36.7) | ||
| Age* | 41.583 | 0.000 | ||||
| 0–11 | 109 (69.9) | 172 (46.9) | 29 (37.7) | 310 (51.7) | ||
| 12–23 | 29 (18.6) | 159 (43.3) | 33 (42.9) | 221 (36.8) | ||
| 24–35 | 10 (6.4) | 22 (6.0) | 6 (7.8) | 38 (6.3) | ||
| 36–59 | 8 (5.1) | 14 (3.8) | 9 (11.6) | 31 (5.2) | ||
| Season* | 47.555 | 0.000 | ||||
| Spring | 26 (16.7) | 37 (10.1) | 13 (16.9) | 76 (12.7) | ||
| Summer | 44 (28.2) | 111 (30.2) | 15 (19.5) | 170 (28.3) | ||
| Autumn | 44 (28.2) | 185 (50.4) | 29 (37.6) | 258 (43) | ||
| Winter | 42 (26.9) | 34 (9.3) | 20 (26.0) | 96 (16) | ||
| Symptom | 0.499 | 0.779 | ||||
| Vomiting | 73 (46.8) | 173 (47.1) | 38 (49.4) | 284 (47.3) | ||
| Fever | 38 (24.4) | 82 (22.3) | 22 (28.6) | 142 (23.7) |
The statistic value with * was calculated by using Bonferroni correction method in the comparison between the 0–11 months and 12–23 months group. The other statistic values were calculated by using Fisher’s Exact Test
According to the characteristics of the climate in Jiangsu, China, the seasons are divided as follows: spring (March–May), summer (June–August), autumn (September–November) and winter (December–February)