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Rob van Hest Capture-recapture Methods in Surveillance - RePub ...

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Disease Authors Objective Method Data-source Outcome<br />

The number of patients with Legionnaires'<br />

disease (culture-positive and/or four-fold<br />

1. National notification system<br />

2. Reference laboratory database<br />

Three-source logl<strong>in</strong>ear<br />

CRC model<br />

Infuso et al31 To estimate the level of<br />

underreport<strong>in</strong>g of Legionnaires'<br />

disease and evaluate the feasibility of<br />

a laboratory-based report<strong>in</strong>g system<br />

<strong>in</strong> France <strong>in</strong> 1995<br />

Legionnaires'<br />

disease<br />

<strong>in</strong>crease antibody titre) was estimated at 256<br />

and also <strong>in</strong>clud<strong>in</strong>g s<strong>in</strong>gle antibody titres ≥ 256<br />

3. Hospital laboratory survey<br />

IU at 528 (95%CI 509-547). Sensitivity of<br />

notification was estimated at 13% and 9%<br />

respectively<br />

The number of patients with Legionnaires'<br />

disease was estimated at 1124 (95%CI 973-<br />

1275) and sensitivity of notification had<br />

<strong>in</strong>creased to 33% (95%CI 29-38%)<br />

1. National notification system<br />

2. Reference laboratory database<br />

Three-source logl<strong>in</strong>ear<br />

CRC model<br />

Nardone et al32 To evaluate improvements made to<br />

the mandatory notification system<br />

for Legionnaires' disease <strong>in</strong> France <strong>in</strong><br />

1998<br />

Legionnaires'<br />

disease<br />

3. Hospital laboratory survey<br />

The number of patients with leishmaniasis was<br />

estimated at 210 (95%CI 202-218) and<br />

completeness of report<strong>in</strong>g at 44.8% (95%CI<br />

43.2-46.4%)<br />

1. National leishmaniasis surveillance<br />

system<br />

2. Hospital records and case-control<br />

study records<br />

Two-source CRC<br />

model<br />

Yadon et al33 To estimate the completeness of the<br />

cutaneous leishmaniasis surveillance<br />

system <strong>in</strong> four districts of the<br />

Santiago del Estero prov<strong>in</strong>ce,<br />

Argent<strong>in</strong>e, 1990-1993<br />

Leishmaniasis<br />

Record-l<strong>in</strong>kage revealed over 20 times more<br />

cases than the official district estimate. <strong>Capture</strong><strong>recapture</strong><br />

analysis revealed that an <strong>in</strong>significant<br />

number of cases were missed after record-<br />

1. District surveillance database<br />

2. Regional laboratory database<br />

3. Regional hospital database<br />

Three-source logl<strong>in</strong>ear<br />

CRC model<br />

Leptospirosis Brum et al34 To estimate the completeness of<br />

surveillance data on human<br />

leptospirosis <strong>in</strong> the health district of<br />

Santa Maria, Brazil, 2001-2002<br />

l<strong>in</strong>kage

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