Month/year | Study A | Study B | P value for comparing prevalences between the two groups | ||
---|---|---|---|---|---|
Prevalence (No.positive/No.tested) | P value for comparing a prevalence with its immediate previous prevalence | Prevalence (No.positive/No.tested) | P value for comparing a prevalence with its immediate previous prevalence | ||
Apr.,2009 | 13.36Â % (78/584) | Â | 12.5Â % (8/64) | Â | 1 |
Jul. | 5.8Â % (19/328) | <0.001 | 3.13Â % (2/64) | 0.096 | 0.549 |
Sept./Oct. | 0.0Â % (0/141) | 0.001 | 0.0Â % (0/64) | 0.496 | 1 |
Dec. | 4.04Â % (4/99) | 0.028 | 4.69Â % (3/64) | 0.244 | 1 |
Apr.,2010 | 1.56Â % (1/64) | 0.649 | 1.56Â % (1/64) | 0.619 | 1 |