Table 1.
Demographic and health data of the study participants
| Variable | No. of samples collected (%) (N = 1735) | No. of virus- positive samples (%) (N = 330) | P |
|---|---|---|---|
| Year | |||
| 2016 | 261 (15.0) | 46 (13.9) | 0.0001 |
| 2017 | 657 (37.9) | 134 (40.6) | |
| 2018 | 701 (40.4) | 144 (43.6) | |
| 2019 | 116 (6.7) | 6 (1.8) | |
| Age (years) | |||
| < 1–10 | 781 (45.0) | 145 (43.9) | 0.1676 |
| 11–20 | 247 (14.2) | 49 (14.8) | |
| 21–30 | 192 (11.1) | 41 (12.4) | |
| 31–40 | 161 (9.3) | 32 (9.7) | |
| 41–50 | 74 (4.3) | 12 (3.6) | |
| 51–60 | 117 (6.7) | 26 (7.9) | |
| 61–70 | 87 (5.0) | 17 (5.2) | |
| > 70 | 76 (4.4) | 8 (2.4) | |
| Sex | |||
| Female | 668 (38.5) | 111 (33.6) | 0.0451 |
| Male | 1067 (61.5) | 219 (66.4) | |
| Place of residence | |||
| Greater Cairo Region | 857 (49.4) | 177 (53.6) | 0.0009 |
| Alexandria Region | 320 (18.4) | 68 (20.6) | |
| Delta Region | 227 (13.1) | 32 (9.7) | |
| Upper Egypt Region | 295 (17.0) | 40 (12.1) | |
| Suez Canal Region | 36 (2.1) | 13 (3.9) | |
| Disease | |||
| Encephalitis | 1237 (71.3) | 247 (74.8) | 0.1130 |
| Meningitis | 498 (28.7) | 83 (25.2) | |
| Outcome | |||
| Death | 228 (13.1) | 43 (13.0) | 0.80 |
| Discharged | 1450 (83.6) | 275 (83.3) | |
| Unknown | 57 (3.3) | 12 (3.6) | |