Skip to main content

Table 2 Rate ratio of malaria cases and odds ratios for proportional malaria mortality in health facilities and for case fatality rates for 2008 relative to 2007, in children < 5 years of age obtained from routine surveillance data in 30 districts, analysed by vector control intervention type in Zambia

From: Impact assessment of malaria vector control using routine surveillance data in Zambia: implications for monitoring and evaluation

Intervention Proportional malaria mortality in 2007 (n)(95%CI)% Proportional malaria mortality in 2008 (n)(95%CI)% Odds ratio (95% CI)% P
IRS 63.4 (1990) [61.25-65.49] 38.7 (995) [35.66-41.72] 0.37[0.31-0.43] 0.015
ITN 59.1(889) [55.83-62.29] 54.5 (486) [50.20-58.86] 0.83[0.67-1.04] 0.666
All 62.0(2879) [60.27-63.81] 44.1(1481) [41.54-46.56] 0.48[0.42-0.54] 0.082
Intervention Cases per 1000 population in 2007 (n)(95%CI)% Cases per 1000 population in 2008 (n)(95%CI)% Rate ratio (95% CI)% P
IRS 49.1(1263690) [48.77-49.33] 48.3(939011) [48.20-48.40] 0.97[0.97-0.98] 0.933
ITN 49.9(745447) [49.77-49.99] 49.4(474007) [49.21-49.49] 0.98[0.97-0.99] 0.956
All 49.4(2009137) [49.14-49.58] 48.7(1413018) [48.39-48.91] 0.97[0.97-0.98] 0.944
Intervention Case Fatality Rates in 2007 (n)(95%CI)% Case Fatality Rates in 2008 (n)(95%CI)% Odds ratio (95% CI)% P
IRS 50.3 (24559) [49.71-50.97] 25.8 (15520) [25.10-26.48] 0.34[0.33-0.36] 0.005
ITN 20.0 (26419) [19.55-20.51] 19.3 (14357) [18.64-19.94] 0.96[0.91-1.00] 0.913
All 34.6(50978) [34.22-35.04] 22.7(29877) [22.19-23.13] 0.55[0.54-0.57] 0.116