Table 1 Demographic characteristics of 3500 febrile children screened for CHIKV infection
From: Endemic chikungunya fever in Kenyan children: a prospective cohort study
| Ngerenya dispensary (N = 1701) | Pingilikani dispensary (N = 1799) | |||
|---|---|---|---|---|
|
CHIKF cases n/N (%) |
P value (Chi2 test) |
CHIKF cases n/N (%) | P value (Chi2 test) | |
| Sex | 0.55 | 0.07 | ||
| Female | 132/763(17.3) | 89/884 (10.1) | ||
| Male | 152/938 (16.2) | 70/915 (7.6) | ||
| Age (years) | 0.27 | 0.67 | ||
| < 1 | 54/260 (20.8) | 25/341 (7.3) | ||
| 1 to < 5 | 151/926 (16.3) | 69/774 (8.9) | ||
| 5 to < 10 | 66/430 (15.3) | 43/469 (9.2) | ||
| 10 to 15 | 13/85 (15.3) | 22/215 (10.2) | ||
| Year | < 0.001 | 0.05 | ||
| 2014 | No data | 43/509 (8.4) | ||
| 2015 | 11/503 (2.2) | 37/366 (10.1) | ||
| 2016 | 165/537 (30.7) | 43/365 (11.8) | ||
| 2017 | 91/370 (24.6) | 17/304 (5.6) | ||
| 2018 | 17/291 (5.8) | 19/255 (7.4) | ||
| Season | < 0.001 | 0.15 | ||
| Jan – Mar | 93/423(22.0) | 49/432 (11.3) | ||
| Apr – Jun | 76/392 (19.4) | 58/678 (8.5) | ||
| Jul – Sep | 66/496 (13.3) | 31/443 (7.0) | ||
| Oct – Dec | 49/390 (12.6) | 21/246 (8.5) | ||
| Clinical diagnosis | 0.58 | 0.06 | ||
| Othera | 26/160 (16.2) | 35/506 (6.9) | ||
| Malaria | 13/94 (13.8) | 70/591 (11.8) | ||
| Pneumonia | 9/58 (15.5) | 18/242 (7.4) | ||
| URTI | 198/1197 (16.5) | 20/231 (8.7) | ||
| Gastroenteritis | 13/83 (15.7) | 1/12 (8.3) | ||
| Undifferentiated fever | 25/109 (22.9) | 15/217 (6.9) | ||