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Table 1 Effect of Vernonia amygdalina leaf extracts on Plasmodium berghei gametocyte densities

From: Plasmodium transmission blocking activities of Vernonia amygdalina extracts and isolated compounds

Treatment groups Experimenta Microgametocytes per 2,500 IRBCs (95% CI) Macrogametocyte per 2,500 IRBCs (95% CI)
Ver-EtOH 1 6.7 (5.4–8.0) 40.3 (35.9–44.7)
2 6.8 (5.6–8.0) 38.4 (32–44.8)
Ver-H2O 1 5.5 (4.9–6.1) 25.5 (22.8–28.2)*
2 5.3 (4.9–5.7)* 23.3 (20.7–26.0)*
Control 1 7.2 (5.1–9.3) 48 (34.7–61.3)
2 8.5 (6.1–10.9) 41.7 (33.6–49.7)
  1. Data are presented as arithmetic means with 95% confidence intervals (95% CI).
  2. IRBCs infected red blood cells, Ver-EtOH ethanolic V. amygdalina leaf extract, Ver-H 2 O aqueous V. amygdalina leaf extract *p < 0.05 with respect to their control.
  3. aNumbers 1 and 2 refer to the two replicate experiments each involving treatment and control groups consisting of six mice each.