Table 6

Sensitivity, specificity, and false detection rate of Poisson CUSUM signals for syndromic influenza surveillance during week 36 (30.8.) to week 52 (31.12.) in 2009
Data source Sensitivity*% Specificity% Sensitivity*% Specificity% False detection rate%
Weekly Daily Weekly Daily
EMD-AT (3/9) (5/8) (5/67) (53/56) (3/6) (3/8)
33.3 62.5 7.5 94.6 50.0 37.5
EP-AT (0/9) (8/8) (0/67) (56/56) (0/0) (0/0)
0.0 100.0 0.0 100.0
EP-BE (6/10) (6/7) (12/70) (51/53) (1/7) (2/14)
60.0 85.7 17.1 96.2 14.3 14.3
ED-BE (10/10) (4/7) (26/70) (45/53) (3/13) (8/34)
100.0 57.1 37.1 84.9 23.1 23.5
ED-ES (6/8) (8/9) (30/56) (63/67) (1/7) (4/34)
75.0 88.9 53.6 94.0 14.3 11.8

*Brackets: Number of weeks / days with at least one true-positive Poisson CUSUM signal in syndromic surveillance data divided by number of pandemic weeks/days according to reference data.

Brackets: Number of true-negative weeks / days (no Poisson CUSUM signal) in syndromic surveillance data divided by number of weeks / days outside the pandemic period according to reference data.

Brackets: Number of weeks/days with a false-positive Poisson CUSUM signal in syndromic surveillance data divided by all Poisson CUSUM signals of syndromic surveillance data.

Rosenkötter et al.

Rosenkötter et al. BMC Public Health 2013 13:905   doi:10.1186/1471-2458-13-905

Open Data