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Table 1 Rates of clinical malaria from routine health facility data

From: Implications of insecticide resistance for malaria vector control with long-lasting insecticidal nets: evidence from health facility data from Benin

  Under 5 years of age 5 years of age or over
Malaria incidence per person-year (95% CI) [cases/person-years] Rate ratio (95% CI) Malaria incidence per person-year (95% CI) [cases/person-years] Rate ratio (95% CI)
January–July 2013
Overall 0.20 (0.15–0.26) [1545/7832] 0.023 (0.016–0.034) [1015/43,510]
Lower resistance (mortality equal to or above median value of 95.3%) 0.18 (0.11–0.30) [635/3443] 1 0.016 (0.010–0.028) [311/19,126] 1
Higher resistance (mortality below median value of 95.3%) 0.21 (0.14–0.31) [910/4389] 1.12 (0.63–2.02)
p = 0.684
0.029 (0.017–0.049) [704/24,385] 1.77 (0.88–3.56)
p = 0.102
Effect per 10% reduction in bioassay mortality 1.02 (0.80–1.29)
p = 0.863
1.06 (0.85–1.32)
p = 0.605
August–December 2013
Overall 0.30 (0.21–0.42) [1563/5211] 0.030 (0.019–0.049) [879/28,948]
Lower resistance (mortality equal to or above median value of 93.9%) 0.26 (0.19–0.35) [728/2798] 1 0.024 (0.017–0.033) [370/15,545] 1
Higher resistance (mortality below median value of 93.9%) 0.35 (0.19–0.64) [835/2413] 1.33 (0.70–2.52)
p = 0.368
0.038 (0.017–0.087) [509/13,403] 1.60 (0.69–3.68)
p = 0.261
Effect per 10% reduction in bioassay mortality 0.94 (0.50–1.77)
p = 0.854
0.89 (0.43–1.81)
p = 0.731
January–December 2013 (both time periods combined)
Overall 0.24 (0.18–0.32) [3108/13,044] 0.026 (0.017–0.039) [1894/72,458]
Lower resistance (mortality equal to or above median value of 93.9%) 0.21 (0.16–0.28) [1376/6472] 1 0.019 (0.014–0.026) [693/35,952] 1
Higher resistance (mortality below median value of 94.8%) 0.26 (0.17–0.41) [1732/6572] 1.27 (0.81–2.00) p = 0.276 0.033 (0.018–0.060) [1201/36,506] 1.74 (0.91–3.34) p = 0.093
Effect per 10% reduction in bioassay mortality 1.01 (0.82–1.25) p = 0.915 1.04 (0.86–1.26) p = 0.677