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.

YearRisk factorsAdmittedNo. of casesPercentOR (95% CI)P value

2012SeasonDry time165024114.601.54(1.4, 2.52)<0.01
Weeding and harvesting time140830521.66
Total305854617.85
OriginLowland200124813.391.8(0.94, 2.92)<0.000
Highland105729828.19
Total305854617.85

2013SeasonDry time183720711.271.4(0.85,1.99)<0.000
Weeding and harvesting time176530317.17
Total360251014.16
OriginLowland24232329.571.9 (0.84, 2.92)<0.000
Highland117927823.58
Total360251014.16

2014SeasonDry time245028211.511.5(1.22, 1.97)<0.003
Weeding and harvesting time182633518.35
Total427661714.43
OriginLowland26512017.581.9 (1.40, 3.01)<0.000
Highland162541625.60
Total427661714.43

2015SeasonDry time2870973.381.45(1.11, 1.83)<0.02
Weeding and harvesting time21171486.99
Total49872454.91
OriginLowland2985963.221.6(1.7, 2.23)<0.000
Highland20021497.44
Total49872454.91

2016SeasonDry time2575893.461.6(1.6, 2.02)<0.001
Weeding and harvesting time22071336.03
Total47822224.64
OriginLowland2866993.451.8 (1.6, 2.18)<0.000
Highland19161236.42
Total47822224.64

2017SeasonDry time2930301.021.3(0.75, 1.6)<0.04
Weeding and harvesting time2876622.16
Total5806921.85
OriginLowland3501351.001.5(1.1, 1.9)<0.001
Highland2305572.47
Total5806921.85