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Table 2 Proportion of samples that were P.falciparum positive, PCR amplified dhfr, and single/majority dhfr

From: The evolution of pyrimethamine resistant dhfr in Plasmodium falciparum of south-eastern Tanzania: comparing selection under SP alone vs SP+artesunate combination

Year Rufiji Kilombero Ulanga
2001 2002 2006 2001 2002 2006
Survey population 3285 3349 4267 3197 4098 4500
P. falciparum positive 908 (27.6%) 854 (25.5%) 916
(21.5%)
580
(18.1%)
875
(21.3%)
645
(14.3%)
PCR amplified dhfr 683 687 683 488 686 294
Single or majority dhfr 420 527 616 238 489 275