Table 1. Demography and clinical characteristics of outpatients presenting ILI relating to infections in Antananarivo, from July 2008 to June 2009.
| Characteristics | ILI (%) | Infected (%) | ||
| Total | Total | Single infection | Co-infection | |
| N = 313 | N = 235 | N = 166 | N = 69 | |
| Sex | ||||
| Male | 138 (44.1) | 104 (44.3) | 75 (45.2) | 29 (42.0) |
| Female | 175 (55.9) | 131 (55.7) | 91 (54.8) | 40 (58.0) |
| Age group (years) | ||||
| 0–4 | 154 (49.2) | 127 (54.0) | 82 (49.4) | 45 (65.2) |
| 5–9 | 41 (13.1) | 30 (12.8) | 23 (13.9) | 7 (10.2) |
| 10–14 | 25 (8.0) | 16 (6.8) | 12 (7.2) | 4 (5.8) |
| 15–19 | 17 (5.4) | 9 (3.8) | 5 (3.0) | 4 (5.8) |
| > = 20 | 76 (24.3) | 53 (22.6) | 44 (26.5) | 9 (13.0) |
| Clinical symptoms a | ||||
| Sore throat | 294 (93.9) | 220 (93,6) | 155 (93,4) | 65 (94,2) |
| Rhinorrhea | 191 (61.0) | 150 (63,8) | 98 (59,0) | 52 (75,4) |
| Headache | 124 (39.6) | 93 (39,6) | 64 (38,6) | 29 (42,0) |
| Muscular pain | 55 (17.6) | 79 (33,6) | 67 (40,4) | 12 (17,4) |
N = total number of patient.
a
all patient had fever and cough at presentation as inclusion criteria.