Table 3 Final classification of AFP cases by the National Polio Expert Committee
From: Evaluation of AFP surveillance indicators in polio-free Ghana, 2009–2013
Final classification of AFP cases (%) | P-value | |||||
|---|---|---|---|---|---|---|
2009 | 2010 | 2011 | 2012 | 2013 | ||
Expected AFP cases | 102 | 204 | 216 | 222 | 223 | 0.001 |
Total received and classified | 308 (302) | 221 (108) | 275 (127) | 199 (89.6) | 342 (153) | 0.001 |
Discarded | 275 (89.3) | 175 (89.6) | 227 (82.5) | 168 (84.4) | 297 (86.8) | <0.001 |
Cases followed up after 60 days | 156 (50.5) | 199 (58.2) | 181 (53) | 190 (55.8) | 219 (64) | <0.001 |
Residual paralysis | 60 (19.5) | 43 (19.2) | 38 (13.9) | 25 (12.6) | 55 (16.2) | 0.008 |
Sabin | 1 | 2 | 4 | 5 | 9 | 0.289 |
NPEV | 3 | 4 | 1 | 1 | 8 | 0.398 |
Others | 22 | 13 | 11 | 18 | 31 | 0.056 |
Compatibles | 33 | 23 | 17 | 18 | 25 | 0.242 |
Lost to follow up | 5 | 5 | 3 | 9 | 3 | 0.030 |
Died | 2 | 5 | 3 | 2 | 2 | 0.072 |
Silent districts | 61 (36) | 46 (27) | 27 (16) | 48 (28) | 43 (25) | 0.001 |