Table 1.
Yearly distribution of avian coccidiosis in Osun State, Nigeria (2006–2015).
| Years | Total cases (%) | Cases of coccidiosis (%) | Year specific rates (%) | OR | 95% CI | P value |
|---|---|---|---|---|---|---|
| 2006 | 276 (5.0) | 1 (0.04) | 0.4 | 0.01 | 0.003–0.030 | <0.01∗ |
| 2007 | 48 (0.9) | 47 (2.1) | 97.9 | 76.36 | 14.57–1575.00 | <0.01∗ |
| 2008 | 216 (3.9) | 24 (1.1) | 11.1 | 0.21 | 0.13–0.33 | <0.01∗ |
| 2009 | 468 (8.4) | 168 (7.3) | 35.9 | 0.92 | 0.69–1.22 | 0.55 |
| 2010 | 696 (12.6) | 396 (17.3) | 56.9 | 2.16 | 1.66–2.81 | <0.01∗ |
| 2011 | 540 (9.7) | 36 (1.6) | 6.7 | 0.12 | 0.08–0.17 | <0.01∗ |
| 2012 | 360 (6.5) | 120 (5.2) | 33.3 | 0.82 | 0.60–1.11 | 0.20 |
| 2013 | 1272 (22.9) | 144 (6.3) | 11.3 | 0.21 | 0.16–0.28 | <0.01∗ |
| 2014 | 1320 (23.8) | 1224 (53.4) | 92.7 | 20.80 | 15.44–28.17 | <0.01∗ |
| 2015a | 348 (6.3) | 132 (5.8) | 37.9 | 1.00 | ||
| Total | 5544 (100.0) | 2292 (100.0) | 41.3 |
aReference category. ∗Significant. OR = odds ratio; CI = confidence interval.