Table 2 AFP surveillance performance indicators in Ghanafrom 2008-2013
From: Evaluation of AFP surveillance indicators in polio-free Ghana, 2009–2013
Year | ||||||
|---|---|---|---|---|---|---|
Parameter | Target | 2009 | 2010 | 2011 | 2012 | 2013 |
Number of AFP cases investigated | - | 308 | 221 | 275 | 199 | 342 |
Annualized non-polio AFP rate 2/100,000 < 15 yrs population | ≥2 | 2.48 | 1.83 | 2.2 | 1.64 | 2.69 |
Proportion of AFP cases with 2 stool specimens collected within 14 days of onset of paralysis | 80% | 75.4 | 79.2 | 82.5 | 84.4 | 86.7 |
Proportion of stool specimens arriving at national level within 3 days of being sent (%) | 80% | 86.6 | 87 | 84.7 | 85.9 | 86.0 |
Proportion of stool specimens arriving at national lab in good condition | 90% | 96.4 | 98.2 | 97.8 | 97.5 | 98.3 |
Proportion of stool specimens for which lab results were sent within 14 days of receipt at the lab (%) | 80% | 100 | 100 | 100 | 100 | 100 |
Proportion of stool specimens from which non-polio enterovirus was isolated (%) | 10% | 10 | 13.2 | 22.2 | 21.2 | 22 |