Table 1 Repeated infection rate of HFMD population of different features in Wuxi city
Characteristics | Case (n) | Reinfection (n) | Non-Reinfection (n) | Refection rate (%) | χ2 | P |
|---|---|---|---|---|---|---|
Sex | 36.686 | < 0.001 | ||||
Male | 63,671 | 4058 | 59,613 | 6.37 | ||
Female | 44,006 | 2412 | 41,594 | 5.48 | ||
Age (year) | 1138.277 | < 0.001 | ||||
0 | 7087 | 684 | 6403 | 9.65 | ||
1 | 28,202 | 2397 | 25,805 | 8.50 | ||
2 | 20,745 | 1377 | 19,368 | 6.64 | ||
3 | 20,814 | 1159 | 19,655 | 5.57 | ||
4 | 15,134 | 589 | 14,545 | 3.89 | ||
≥ 5 | 15,695 | 264 | 15,431 | 1.65 | ||
status | 572.368 | < 0.001 | ||||
Scattered children | 67,122 | 4857 | 62,265 | 7.24 | ||
Kindergartens children | 36,024 | 1581 | 34,443 | 4.39 | ||
School students | 4149 | 32 | 4117 | 0.77 | ||
Others | 382 | 0 | 382 | 0 | ||
Residence | 6.729 | 0.009 | ||||
Rural | 45,397 | 2627 | 42,770 | 5.79 | ||
Urban | 62,280 | 3843 | 58,437 | 6.17 | ||
Clinical classification | 9.738 | 0.002 | ||||
Mild | 106,042 | 6342 | 99,700 | 5.98 | ||
Severe | 1635 | 128 | 1507 | 7.83 |