Table 1 Age and sex distribution of suspected yellow fever cases reported and cumulated age group proportions in Nigeria between September 2017 and 2 September 2019
From: The resurgence of yellow fever outbreaks in Nigeria: a 2-year review 2017–2019
Age Group | Male | Female | Total | Age proportion (%) | Cumulative proportion (%) | Female:male ratio |
|---|---|---|---|---|---|---|
< 1 year | 12 (57%) | 9 (43%) | 21 | 0 | 0 | 1.3:1 |
1–5 years | 993 (62%) | 617 (38%) | 1610 | 20 | 20 | 1.6:1 |
6–10 years | 821 (61%) | 527 (39%) | 1348 | 17 | 37 | 1.6:1 |
11–15 years | 522 (61%) | 338 (39%) | 860 | 11 | 48 | 1.5:1 |
16–20 years | 505 (54%) | 429 (46%) | 934 | 12 | 60 | 1.2:1 |
21–25 years | 462 (53%) | 410 (47%0 | 872 | 11 | 71 | 1.1:1 |
26–30 years | 360 (52%) | 332 (48%) | 692 | 9 | 80 | 1.1:1 |
31–35 years | 211 (52%) | 198 (48%) | 409 | 5 | 85 | 1.1:1 |
36–40 years | 205 (56%) | 158 (44%) | 363 | 5 | 90 | 1.3:1 |
41–45 years | 120(58%) | 88 (42%) | 208 | 3 | 93 | 1.4:1 |
46–50 years | 100(53%) | 90 (47%) | 190 | 2 | 95 | 1.1:1 |
51–55 years | 50 (55%) | 41 (45%) | 91 | 1 | 96 | 1.2:1 |
56–60 years | 54 (57%) | 40 (43%) | 94 | 1 | 97 | 1.4:1 |
61 years + | 80 (52%) | 74 (48%) | 154 | 2 | 99 | 1.1:1 |
Unknown/missing | 33 (69%) | 15 (31%) | 48 | 1 | 100 | 2.2:1 |
Total | 4528 (57%) | 3366 (43%) | 7894 | 100 | 1.3:1 |