Volume 24, Number 3—March 2018
CME ACTIVITY - Synopsis
Epidemiology of Recurrent Hand, Foot and Mouth Disease, China, 2008–2015
Table 2
Risk factors associated with severe illness in cases of recurrent laboratory-confirmed HFMD, China, 2008–2015*
Risk factor | Mild, N = 3,187, no. (%) | Severe, N = 172, no. (%) | Adjusted OR (95% CI) |
---|---|---|---|
Age at HFMD onset, mo | |||
>23 | 2,054 (96.9) | 66 (3.1) | Reference |
12–23 | 836 (91.5) | 78 (8.5) | 2.4 (1.7–3.6) |
<12 |
297 (91.4) |
28 (8.6) |
2.6 (1.6–4.4) |
Sex | |||
F | 1,010 (95.5) | 48 (4.5) | Reference |
M |
2,177 (94.6) |
124 (5.4) |
0.9 (0.6–1.2) |
Enterovirus serotype | |||
CV-A16 | 857 (98.5) | 13 (1.5) | Reference |
Other EVs | 1,452 (96.0) | 61 (4.0) | 2.7 (1.5–5.0) |
EV-A71 |
878 (90.0) |
98 (10.0) |
7.2 (4.0–13.0) |
Residence | |||
Rural | 1,342 (92.8) | 104 (7.2) | Reference |
Urban |
1,845 (96.4) |
68 (3.6) |
1.8 (1.3–2.5) |
Order episode occurred | |||
First | 1,523 (93.9) | 99 (6.1) | Reference |
Second or after |
1,664 (95.8) |
73 (4.2) |
0.8 (0.5–1.2) |
Onset-to-diagnosis interval | |||
<1 d | 1,443 (96.3) | 55 (3.7) | Reference |
2–3 d | 896 (94.0) | 57 (6.0) | 1.6 (1.1–2.4) |
>4 d | 848 (93.4) | 60 (6.6) | 1.8 (1.2–2.7) |
Interval between successive episodes | 0.97 (0.95–1.01) |
*CV-A16, coxsackievirus A16; EV-A71, enterovirus A71; HFMD, hand, foot and mouth disease; OR, odds ratio; other EVs, other non–EV-A71 and non–CV-A16 enteroviruses.
1These first authors contributed equally to this article.
2These senior authors contributed equally to this article.