Table 2.
Quality surveillance indicators of the AFP in the Marches (from February 1997 to December 2007).
| INDICATORS | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Incidence rate (reported cases/expected cases) | 1 2/2 |
2 4/2 |
1 2/2 |
0.5 1/2 |
2.5 5/2 |
1 2/2 |
- 0/2 |
0.5 1/2 |
1.5 3/2 |
2 4/2 |
1.5 3/2 |
| % AFP cases with follow-up at 60–90 days from report | 100 | 75 | 50 | 100 | 100 | 100 | - | 100 | 100 | 75* | 67 |
| % AFP cases with initial clinical classification | 100 | 100 | 100 | 0 | 100 | 100 | - | 100 | 100 | 100 | 100 |
| % AFP cases with final clinical classification | 100 | 75 | 0 | 0 | 100 | 50 | - | 100 | 100 | 75 | 67 |
| % AFP cases with 1 stool sample within 14 days | 0 | 50 | 50 | 0 | 20 | 100 | - | 0 | 33 | 25 | 67 |
| % AFP cases with 2 stool samples within 14 days | 0 | 50 | 50 | 0 | 0 | 100 | - | 0 | 33 | 25 | 33 |
| % AFP with 2 stool samples at any time | 0 | 75 | 100 | 0 | 60 | 100 | - | 0 | 67 | 75 | 33 |
| % AFP with 1 stool sample at any time | 50 | 25 | 0 | 0 | 20 | 0 | - | 0 | 0 | 0 | 67 |
| % AFP 0 stool sample | 50 | 0 | 0 | 100 | 20 | 0 | - | 100 | 33 | 25 | 0 |
| SURVEILLANCE INDEX incidence X (% AFP cases with a sample within 14 days) | 0 | 1 | 0.5 | 0 | 0.5 | 1 | - | 0 | 0.5 | 0.5 | 1 |
* missing follow-up is referred to one case archived as non-polio by the MOH after clinical charts review.