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Table 3 Percentage change in malaria admissions and deaths, and test positivity rate in 2015 compared to pre-scale-up period (2005-2010), in IRS-districts (24), and non-IRS districts (36) in Ashanti, Northern, Upper East, Upper West, and Western Regions, Ghana, 2005–2015

From: Effect of anti-malarial interventions on trends of malaria cases, hospital admissions and deaths, 2005–2015, Ghana

Stratum Indicator IRS, all ages Non−IRS, all ages
Baseline Observed values Observed relative change (%) Predicted relative change compared to baseline (%) Observed Predicted relative change compared to baseline (%)
Ave (2005−2010) P1 2015 P1 2015 P1 2015 p1 Ave (2005−2010) P1 2015 P1 Change % 2015 P1 2015 1
National Outpatient malaria cases 167,030 143,774 −14 −47 (−79 to 30) 858,019 800,050 −7 −58 (−69 to−44)
Malaria admissions 16,103 17,812 11 −68 (−87 to −21) 94,207 172,697 83 −35 (−63 to 15)
Malaria deaths 424 166 −61 −88 (−95 to −71) 1608 1172 −27 −44 (−62 to −16)
Aneamia inpatients 1797 6954 287 17 (−74 to 422) 13,090 38,379 193 9 (−85 to 669)
Aneamia deaths 107 152 42 −38 (−80 to 90) 542 829 53 52 (−21 to 194)
Tested (Mic) 76,758 143,162 87 110 (−69 to 1313) 302,938 457,757 51 −48 (−82 to 48)
Positive (Mic) 19,670 17,552 −11 −76 (−94 to 2) 125,591 130,379 4 −68 (−88 to −17)
Test positivity rate (mic) 27 12 −54 −89 (−95 to −77) 42 28 −32 −38 (−54 to −16)
Proportion of outpatients 35 26 −26 −11 (−61 to 100) 44 29 −35 −30 (−35 to −23)
Proportion of inpatients 25 17 −30 −56 (−71 to −33) 32 25 −23 −37 (−54 to −13)
Proportion of deaths 18 6 −66 −87 (−96 to −63) 21 12 −42 −41 (−56 to −20)
Non-malaria outpatient 470,715 544,484 16 −38 (−57 to −9) 1822,697 2,638,677 45 −38 (−54 to −15)
Non-malaria inpatients 48,640 86,050 77 −6 (−51 to 83) 194,843 517,232 165 27 (−22 to 107)
Non-malaria deaths 1977 2552 29 46 (−28 to 196) 6164 8587 39 4 (−32 to 59)
  1. Negative percentages indicate decrease in the indicator while positive percentages indicate increase during the post-scale up period (2011–2015) compared to the pre-scale-up period
  2. CI with symbol “†” is statistically significant