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Artemisinin-based combination therapy for ... - The Cochrane Library

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Analysis 10.6. Comparison 10 Artemether-lumefantrine vs Artesunate plus sulfadoxine-pyrimethamine,<br />

Outcome 6 Sensitivity analysis Total Failure Day 28 PCR unadjusted.<br />

Review: <strong>Artemisinin</strong>-<strong>based</strong> <strong>combination</strong> <strong>therapy</strong> <strong>for</strong> treating uncomplicated malaria<br />

Comparison: 10 Artemether-lumefantrine vs Artesunate plus sulfadoxine-pyrimethamine<br />

Outcome: 6 Sensitivity analysis Total Failure Day 28 PCR unadjusted<br />

Study or subgroup AL6 AS+SP Risk Ratio Weight Risk Ratio<br />

1 Total Failure (P. falciparum) Day 28 PCR unadjusted<br />

n/N n/N M-H,Fixed,95% CI M-H,Fixed,95% CI<br />

Mukhtar 2005 SDN 8/80 12/77 32.8 % 0.64 [ 0.28, 1.48 ]<br />

Karunajeewa 2007 PNG 20/113 25/112 67.2 % 0.79 [ 0.47, 1.34 ]<br />

Subtotal (95% CI) 193 189 100.0 % 0.74 [ 0.48, 1.16 ]<br />

Total events: 28 (AL6), 37 (AS+SP)<br />

Heterogeneity: Chi 2 = 0.18, df = 1 (P = 0.67); I 2 =0.0%<br />

Test <strong>for</strong> overall effect: Z = 1.30 (P = 0.19)<br />

2 Total Failure Day 28 PCR unadjusted (trials with baseline differences included)<br />

Bousema 2004 KEN 3/75 29/160 23.6 % 0.22 [ 0.07, 0.70 ]<br />

Van den Broek 2004 ZAR 13/100 21/85 28.9 % 0.53 [ 0.28, 0.99 ]<br />

Mukhtar 2005 SDN 8/80 12/77 15.6 % 0.64 [ 0.28, 1.48 ]<br />

Karunajeewa 2007 PNG 20/113 25/112 32.0 % 0.79 [ 0.47, 1.34 ]<br />

Subtotal (95% CI) 368 434 100.0 % 0.56 [ 0.39, 0.79 ]<br />

Total events: 44 (AL6), 87 (AS+SP)<br />

Heterogeneity: Chi 2 = 4.33, df = 3 (P = 0.23); I 2 =31%<br />

Test <strong>for</strong> overall effect: Z = 3.30 (P = 0.00097)<br />

3 Total Failure Day 28 PCR unadjusted (losses to follow up included as failures)<br />

Mukhtar 2005 SDN 8/80 15/80 29.6 % 0.53 [ 0.24, 1.19 ]<br />

Karunajeewa 2007 PNG 34/127 35/122 70.4 % 0.93 [ 0.62, 1.39 ]<br />

Subtotal (95% CI) 207 202 100.0 % 0.81 [ 0.57, 1.17 ]<br />

Total events: 42 (AL6), 50 (AS+SP)<br />

Heterogeneity: Chi 2 = 1.52, df = 1 (P = 0.22); I 2 =34%<br />

Test <strong>for</strong> overall effect: Z = 1.12 (P = 0.26)<br />

4 Total Failure Day 28 PCR unadjusted (losses to follow up included as successes)<br />

Mukhtar 2005 SDN 8/80 12/80 32.0 % 0.67 [ 0.29, 1.54 ]<br />

Karunajeewa 2007 PNG 20/127 25/122 68.0 % 0.77 [ 0.45, 1.31 ]<br />

Subtotal (95% CI) 207 202 100.0 % 0.74 [ 0.47, 1.15 ]<br />

Total events: 28 (AL6), 37 (AS+SP)<br />

Heterogeneity: Chi 2 = 0.08, df = 1 (P = 0.78); I 2 =0.0%<br />

Test <strong>for</strong> overall effect: Z = 1.34 (P = 0.18)<br />

0.05 0.2 1 5 20<br />

Favours AL6 Favours AS+SP<br />

<strong>Artemisinin</strong>-<strong>based</strong> <strong>combination</strong> <strong>therapy</strong> <strong>for</strong> treating uncomplicated malaria (Review)<br />

Copyright © 2009 <strong>The</strong> <strong>Cochrane</strong> Collaboration. Published by John Wiley & Sons, Ltd.<br />

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