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Volume 18, Number 2—February 2012

Research

Effect of Surveillance Method on Reported Characteristics of Lyme Disease, Connecticut, 1996–2007

Starr-Hope ErtelComments to Author , Randall S. Nelson, and Matthew L. Cartter
Author affiliations: Connecticut Department of Public Health, Hartford, Connecticut, USA

Main Article

Table 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.

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