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. CartterTable 2
Demographic characteristics of Lyme disease case-patients, by surveillance method, Connecticut, 1996–2007*
| Characteristic† | No. (%) case-patients |
||||
|---|---|---|---|---|---|
| PS, n = 12,185 | AS, n = 8,666 | ELS, n = 1,949 | MLS, n = 10,657 | Total, n = 33,457 | |
| Sex | |||||
| M | 6,707 (55.0) | 4,690 (54.1) | 1,128 (57.9) | 5,761 (54.1) | 18,286 (54.7) |
| F | 5,453 (44.8) | 3,969 (45.8) | 814 (41.8) | 4,856 (45.6) | 15,092 (45.1) |
| Unknown | 25 (0.2) | 7 (0.1) | 7 (0.4) | 40 (0.4) | 79 (0.2) |
| Race | |||||
| White | 10,402 (85.4) | 6,772 (78.1) | 1,440 (73.9) | 8,811 (82.7) | 27,425 (82.0) |
| Black | 83 (0.7) | 47 (0.5) | 14 (0.7) | 119 (1.1) | 263 (0.8) |
| Asian/Pacific Islander | 83 (0.7) | 34 (0.4) | 10 (0.5) | 63 (0.6) | 190 (0.6) |
| American Indian/Alaska Native | 18 (0.1) | 7 (0.1) | 1 (0.1) | 6 (0.1) | 32 (0.1) |
| Other | 83 (0.7) | 17 (0.2) | 1 (0.1) | 32 (0.3) | 133 (0.4) |
| Unknown | 1,516 (12.4) | 1,789 (20.6) | 483 (24.8) | 1,626 (15.3) | 5,414 (16.2) |
| Ethnicity | |||||
| Hispanic | 202 (1.7) | 33 (0.4) | 3 (0.2) | 156 (1.5) | 394 (1.2) |
| Non-Hispanic | 7,051 (57.9) | 884 (10.2) | 16 (0.8) | 2,550 (23.9) | 10,501 (31.4) |
| Unknown | 4,932 (40.5) | 7,749 (89.4) | 1,930 (99.0) | 7,951 (74.6) | 22,562 (67.4) |
*PS, passive surveillance; AS, active surveillance; ELS, enhanced laboratory surveillance; MLS, mandatory laboratory surveillance.
†Median ages: PS, 34 y; AS, 36 y; ELS, 43 y; MLS, 42 y; total, 38 y.
