Rob van Hest Capture-recapture Methods in Surveillance - RePub ...
Rob van Hest Capture-recapture Methods in Surveillance - RePub ...
Rob van Hest Capture-recapture Methods in Surveillance - RePub ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Researchers Objective Method Data-source Nobs a Outcome<br />
381 Log-l<strong>in</strong>ear CRC estimated the number of TB<br />
patients at 462 (95%CI 423-536) and underreport<strong>in</strong>g<br />
at 49.1%, 38.7% and 41.3% for data<br />
sources 1, 2 and 3 respectively<br />
1. Mycobacterial laboratory<br />
database<br />
2. Hospital Information database<br />
3. TB Control Service database<br />
Three-source logl<strong>in</strong>ear<br />
CRC model<br />
To estimate the level of under-report<strong>in</strong>g and to<br />
improve the estimates of the <strong>in</strong>cidence of TB<br />
Guernier et<br />
al80 <strong>in</strong> the vic<strong>in</strong>ity of Cayenne, French Guyana,<br />
1996-2003<br />
657 CRC estimated 47 (95% CI: 31-71) unrecorded<br />
cases. Underreport<strong>in</strong>g of the “physician notification<br />
system” was estimated at 21% (95%CI 20%-23%)<br />
1. Physician notification system<br />
2. TB laboratory register<br />
Three-source logl<strong>in</strong>ear<br />
CRC model<br />
To assess the completeness of TB registration,<br />
<strong>in</strong>cidence and underreport<strong>in</strong>g <strong>in</strong> the Piedmont<br />
Baussano et<br />
al (this<br />
3. Hospital records register<br />
Region of Italy <strong>in</strong> 2001<br />
thesis) 81<br />
1499 Observed completeness of TB notification was<br />
86.6%, <strong>in</strong>creas<strong>in</strong>g to 92.7% after adjustment for<br />
possible imperfect record-l<strong>in</strong>kage and false-positive<br />
hospital cases. Log-l<strong>in</strong>ear CRC estimated completeness<br />
of notification at 63.2%, <strong>in</strong>creas<strong>in</strong>g to 86.6%<br />
after adjustment.<br />
1. Mandatory TB notification<br />
system<br />
2. National mycobacteriology<br />
reference laboratory records<br />
3. Hospital admission database<br />
Three-source logl<strong>in</strong>ear<br />
CRC model<br />
To describe a systematic process of recordl<strong>in</strong>kage<br />
and case-validation and to assess the<br />
Van <strong>Hest</strong> et<br />
al (this<br />
completeness of TB notification <strong>in</strong> the<br />
Netherlands <strong>in</strong> 1998<br />
thesis) 82<br />
28768 Observed and estimated annual TB <strong>in</strong>cidence was<br />
6783 and 11 539, 7139 and 11 433, 7355 and 10 742,<br />
and 7401 and 9647 patients between 1999 and 2002.<br />
Annual estimated completeness of notification<br />
between 1999 and 2002 was 48.1%, 51.1%, 59.0%<br />
and 66.5% respectively<br />
1. Mandatory TB notification<br />
system<br />
2. National mycobacteriology<br />
reference laboratory records<br />
3. Hospital admission database<br />
Three-source logl<strong>in</strong>ear<br />
CRC model<br />
To observe and estimate the annual <strong>in</strong>cidence<br />
of TB and to assess the completeness of TB<br />
Van <strong>Hest</strong> et<br />
al (this<br />
registers <strong>in</strong> England, 1999-2002<br />
thesis) 83<br />
a: Nobs = observed number of tuberculosis patients after record-l<strong>in</strong>kage; b: TB = tuberculosis; c: CRC = capture-<strong>recapture</strong>; d: CI = confidence <strong>in</strong>terval; e: HIV = human<br />
immunodeficiency virus; f: PPV = positive predictive value