Table 2. Demographic and clinical characteristics of sampled population with human enterovirus infections, People’s Republic of China, August 2006–April 2010*.
| Characteristic | No. (%) persons |
||
|---|---|---|---|
| Coxsackievirus A21, n = 34 | Enterovirus 68, n = 13 | Any human enterovirus, n = 130 | |
| Sex | |||
| M | 18 (52.9) | 7 (53.8) | 69 (53.1) |
| F | 16 (47.1) | 6 (46.2) | 61 (46.9) |
| Signs and symptoms | |||
| Pharyngeal congestion | 34 (100) | 13 (100.0) | 128 (98.5) |
| Headache | 27 (79.4) | 10 (76.9) | 104 (80.0) |
| Myalgia | 25 (73.5) | 9 (69.2) | 93 (71.5) |
| Chills | 25 (73.5) | 7 (53.8) | 89 (68.5) |
| Sore throat | 23 (67.6) | 7 (53.8) | 82 (63.1) |
| Rhinorrhea | 17 (50.0) | 5 (38.5) | 50 (38.5) |
| Sneezing | 14 (41.2) | 3 (23.1) | 44 (33.8) |
| Cough | 7 (20.6) | 3 (23.1) | 19 (14.6) |
| Swelling of tonsils | 6 (17.6) | 1 (7.7) | 16 (12.3) |
| Expectoration | 4 (11.8) | 0 | 6 (4.6) |
| Rigors | 1 (2.9) | 1 (7.7) | 4 (3.1) |
| Preliminary clinical diagnosis | |||
| Upper respiratory tract infection | 33 (97.1) | 13 (100.0) | 126 (96.9) |
| Tonsillitis | 0 | 0 | 2 (1.5) |
| Pulmonary infection | 0 | 0 | 1 (0.8) |
| Other viruses co-detected | 1 (2.9)† | 1 (7.7)† | 8 (6.2)‡ |
*Median age (range) of patients with coxsackievirus A21 infection, 22 (15–67) y; median age (range) of patients with enterovirus V68 infection, 34 (18–67) y; median age (range) of patients with any enterovirus infection, 27.5 (15–70) y. Median age of patients with coxsackievirus A21 infection was younger than that of patients with other human enterovirus infections (χ2 14.7; p<0.01). †Influenza virus A (n = 1). ‡Influenza virus A (n = 2), parainfluenza virus 3 (n = 2), rhinovirus (n = 2), metapneumovirus (n = 1), coronavirus OC43 (n = 1).