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Table 1 Results of mean pre- and post-ECA activity scores of WHO-ACTMalaria Malaria Microscopy ECAs from 2009-2010

From: Developing standards for malaria microscopy: external competency assessment for malaria microscopists in the Asia-Pacific

Countries Number of Participants (n) Species ID Mean Score Parasite quantitation Mean Score Difference in score means
   Pre Post Pre Post Spec.ID Score Change, (p-) Parasite quantitation Score Change, (p-)
Country 1 5 55 62 20 38 7 (0.22) 18 (0.01)
Country 2 12 47 84 25 49 37 (0.002) 24 (0.14)
Country 3 9 72 84 28 43 12 (0.11) 15 (0.22)
Country 4 11 71 89 27 48 18 (0.008) 21 (0.05)
Country 5 12 88 90 25 50 2 (0.64) 25 (0.001)
Country 6 12 68 89 46 51 21 (<0.001) 5 (0.56)
Country 7 12 68 84 21 38 16(0.004) 17 (0.03)
Country 8 12 38 83 24 38 45 (0.61) 14 (0.08)
Country 9 23 (in 2 sessions) 91 96 30 58 5 (0.003) 28 (<0.001)
Country 10 11 65 75 13 31 10 (0.001) 18 (0.05)
Country 11 12 60 74 15 39 14 (0.01) 24 (0.18)
Country 12 12 75 87 27 54 12 (<0.001) 27(0.001)
Country 13 8 31 66 3 21 35 (0.06) 18 (0.04)
Country 14 12 82 93 46 47 11 (0.001) 1 (0.93)
  1. p≤0.05 indicates significant difference between pre- and post ECA assessments (matched pairs t-test).