Research Article
Incidence and Trends of Leishmaniasis and Its Risk Factors in Humera, Western Tigray
Table 4
Incidence of leishmaniasis in relation to season and origin with all diagnosed patients for leishmaniasis.
| Year | Risk factors | Admitted | No. of cases | Percent | OR (95% CI) | P value |
| 2012 | Season | Dry time | 1650 | 241 | 14.60 | 1.54(1.4, 2.52) | <0.01 | Weeding and harvesting time | 1408 | 305 | 21.66 | Total | 3058 | 546 | 17.85 | Origin | Lowland | 2001 | 248 | 13.39 | 1.8(0.94, 2.92) | <0.000 | Highland | 1057 | 298 | 28.19 | Total | 3058 | 546 | 17.85 |
| 2013 | Season | Dry time | 1837 | 207 | 11.27 | 1.4(0.85,1.99) | <0.000 | Weeding and harvesting time | 1765 | 303 | 17.17 | Total | 3602 | 510 | 14.16 | Origin | Lowland | 2423 | 232 | 9.57 | 1.9 (0.84, 2.92) | <0.000 | Highland | 1179 | 278 | 23.58 | Total | 3602 | 510 | 14.16 |
| 2014 | Season | Dry time | 2450 | 282 | 11.51 | 1.5(1.22, 1.97) | <0.003 | Weeding and harvesting time | 1826 | 335 | 18.35 | Total | 4276 | 617 | 14.43 | Origin | Lowland | 2651 | 201 | 7.58 | 1.9 (1.40, 3.01) | <0.000 | Highland | 1625 | 416 | 25.60 | Total | 4276 | 617 | 14.43 |
| 2015 | Season | Dry time | 2870 | 97 | 3.38 | 1.45(1.11, 1.83) | <0.02 | Weeding and harvesting time | 2117 | 148 | 6.99 | Total | 4987 | 245 | 4.91 | Origin | Lowland | 2985 | 96 | 3.22 | 1.6(1.7, 2.23) | <0.000 | Highland | 2002 | 149 | 7.44 | Total | 4987 | 245 | 4.91 |
| 2016 | Season | Dry time | 2575 | 89 | 3.46 | 1.6(1.6, 2.02) | <0.001 | Weeding and harvesting time | 2207 | 133 | 6.03 | Total | 4782 | 222 | 4.64 | Origin | Lowland | 2866 | 99 | 3.45 | 1.8 (1.6, 2.18) | <0.000 | Highland | 1916 | 123 | 6.42 | Total | 4782 | 222 | 4.64 |
| 2017 | Season | Dry time | 2930 | 30 | 1.02 | 1.3(0.75, 1.6) | <0.04 | Weeding and harvesting time | 2876 | 62 | 2.16 | Total | 5806 | 92 | 1.85 | Origin | Lowland | 3501 | 35 | 1.00 | 1.5(1.1, 1.9) | <0.001 | Highland | 2305 | 57 | 2.47 | Total | 5806 | 92 | 1.85 |
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