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Table 2 Annual survey 2000-2002, malaria positive samples and their PCR outcome in Rufiji and Kilombero/Ulanga populations.

From: Drug coverage in treatment of malaria and the consequences for resistance evolution - evidence from the use of sulphadoxine/pyrimethamine

  Rufiji Kilombero Ulanga
Year 2000 2001 2002 2000 2001 2002
Survey population 2844 3285 3349 3289 3197 4098
P. falciparum positive 778 908 854 955 580 875
PCR amplified dhfr 549 683 687 404 488 686
PCR amplified dhps 521 592 725 444 347 720
Single or majority dhfr 455 420 527 376 238 489
  83% 62% 77% 93% 49% 71%
Single or majority dhps 417 519 596 365 294 603
  80% 88% 82% 82% 85% 84%
Single or majority dhfr+dhps 288 278 404 190 138 381
  55% 47% 59% 47% 40% 55%