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. 2013 Dec 9;2013(12):CD008846. doi: 10.1002/14651858.CD008846.pub2

Comparison 2. MDA versus no MDA in areas of moderate endemicity (Stratified by study design).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Parasitaemia Prevalence: Non‐randomized controlled studies 4   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
1.1 At baseline 4 3123 Risk Ratio (M‐H, Random, 95% CI) 0.73 [0.43, 1.24]
1.2 During MDA 1 47014 Risk Ratio (M‐H, Random, 95% CI) 0.27 [0.25, 0.28]
1.3 < 1 month post MDA 3 1934 Risk Ratio (M‐H, Random, 95% CI) 0.03 [0.01, 0.08]
1.4 1‐3 months post MDA 2 1557 Risk Ratio (M‐H, Random, 95% CI) 0.15 [0.10, 0.23]
1.5 4‐6 months post MDA 2 1610 Risk Ratio (M‐H, Random, 95% CI) 0.18 [0.10, 0.33]
1.6 7‐12 months post MDA 1 600 Risk Ratio (M‐H, Random, 95% CI) 0.19 [0.11, 0.33]
2 Parasitaemia Prevalence: Uncontrolled before‐and‐after studies 7   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
2.1 During MDA 2 7965 Risk Ratio (M‐H, Random, 95% CI) 0.17 [0.02, 1.47]
2.2 <1 month post MDA 3 3096 Risk Ratio (M‐H, Random, 95% CI) 0.29 [0.17, 0.48]
2.3 1‐3 months post MDA 4 7925 Risk Ratio (M‐H, Random, 95% CI) 0.16 [0.08, 0.31]
2.4 4‐6 months post MDA 2 3797 Risk Ratio (M‐H, Random, 95% CI) 1.75 [0.41, 7.41]
3 Gametocytaemia Prevalence: Non‐randomized controlled studies 2   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
3.1 At baseline 2 1622 Risk Ratio (M‐H, Random, 95% CI) 1.40 [0.76, 2.57]
3.2 During MDA 1 47014 Risk Ratio (M‐H, Random, 95% CI) 0.48 [0.42, 0.54]
3.3 <1 month post MDA 1 433 Risk Ratio (M‐H, Random, 95% CI) 0.28 [0.10, 0.82]
3.4 1‐3 months post MDA 1 357 Risk Ratio (M‐H, Random, 95% CI) 0.17 [0.03, 0.86]
3.5 4‐6 months post MDA 1 410 Risk Ratio (M‐H, Random, 95% CI) 0.52 [0.24, 1.11]
4 Gametocytaemia Prevalence: Uncontrolled before‐and‐after studies 3   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
4.1 <1 month post MDA 3 3096 Risk Ratio (M‐H, Random, 95% CI) 0.47 [0.25, 0.87]
4.2 1‐3 months post MDA 1 294 Risk Ratio (M‐H, Random, 95% CI) 0.36 [0.12, 1.12]
4.3 4‐6 months post MDA 1 204 Risk Ratio (M‐H, Random, 95% CI) 0.35 [0.12, 1.01]