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. 2012 Jul 17;3:63–68. doi: 10.2147/RRTM.S33690

Table 4.

Shapiro-Wilk W test results by presence of the Affordable Medicines Facility – malaria (AMFm) logo

Presence of logo W statistic z statistic Prob > z
AMFm ACTsa 0.96415 2.485 0.00647
Non-AMFm drugsb 0.74380 5.413 0.00000
Both AMFm and non-AMFm drugs combined 0.80925 7.028 0.00000

Notes:

a

collected antimalarial drugs displaying an AMFm logo on packaging;

b

collected antimalarial drugs lacking an AMFm logo on packaging.

Abbreviation: ACTs, artemisinin-based combination therapies.