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. 2001 Aug;91(8):1214–1219. doi: 10.2105/ajph.91.8.1214

TABLE 2—

Sensitivity of Case Identification, by Methodology: New Haven County, Connecticut, 1995–1996

Hospital Cases Identified Retrospectively Cases Identified Prospectively Total Cases Identified Retrospective Sensitivity, % Prospective Sensitivity, %
Aa 3 12 14 21.43 85.71
Bb 2 2 2 75.00c 50.00c
Cb 1 0 1
Db 0 1 1
Eb 0 0 0
Fb 3 0 3
Gb 0 1 1
Total 9 16 22 40.90 72.72

aActive and passive surveillance.

bPassive surveillance only.

cCombined value for hospitals B–G.