Volume 18, Number 2—February 2012
Research
Effect of Surveillance Method on Reported Characteristics of Lyme Disease, Connecticut, 1996–2007
Starr-Hope Ertel
, Randall S. Nelson, and Matthew L. Cartter
, Randall S. Nelson, and Matthew L. Cartter
Table 1
Number of Lyme disease reports, by status and surveillance method, Connecticut, 1996–2007*
| Status | PS | AS | ELS | MLS | Total |
|---|---|---|---|---|---|
| Case | 12,185 | 8,666 | 1,949 | 10,657 | 33,457 |
| Not a case | 4,962 | 4,316 | 1,783 | 15,257 | 26,318 |
| Lost to follow-up | 2,203 | 58 | 7 | 17,853 | 20,121 |
| Total† | 19,350 | 13,040 | 3,739 | 43,767 | 79,896 |
*PS, passive physician surveillance 1996–2007; AS, active physician surveillance 1996–2007; ELS, enhanced laboratory surveillance 1996–1997; MLS, mandatory laboratory surveillance 1998–2002 and 2007.
†Positive predictive values: PS, 63.0; AS, 66.5; ELS, 52.1; MLS, 24.3; total, 41.9.
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