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.

D'Errico et al. BMC Infectious Diseases 2008 8:135   doi:10.1186/1471-2334-8-135