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The Cohort Review Process in Washington State. Kim Field, RN, MSN Washington State Department of Health kim.field@doh.wa.gov Website: www.doh.wa.gov/cfh/tb April 2009. WA State. WA State TB Morbidity A Medium Incidence State. Population of over 6 million; approx. 80,000 births annually
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The Cohort Review Process in Washington State Kim Field, RN, MSN Washington State Department of Health kim.field@doh.wa.gov Website: www.doh.wa.gov/cfh/tb April 2009
WA State TB MorbidityA Medium Incidence State • Population of over 6 million; approx. 80,000 births annually • 2004 TB Data: 244 TB cases (3.9/100,000) vs. (4.9/100,000) incidence in the U.S. • Highest incidence in King County: 133 cases (7.4/100,000) • Comprised 55% of total TB cases in 2004
WA State Profile: TB Funding • 39 counties comprise 34 Local Health Jurisdictions (LHJs) • 74 local TB staff including managers, PHNs, administrative, outreach workers • $890,000 of $1.4 million federal funds to 4 LHJs • $5.6 million available in local funds for LHJs
2005-2009 State TB ObjectivesA National Measurement of Our Success as a State 1999-2003 • 90% of TB patients completed a course of TB treatment within 12 months of initiation • 75% of patients were on DOT • State Objectives, by 2009 • 95% of TB patients will complete a course of TB treatment within 12 months of initiation • 85% of patients being treated for active TB will be on DOT
2005-2009 TB Objectives, Cont.A National Measurement of Our Success as a State 1999-2003 • HIV status was reported for 89% of all reported cases • Drug susceptibility results were reported for 99% of all culture-positive TB cases • State Objectives, by 2009 • HIV status will be reported for 90% of all newly reported TB cases • Drug susceptibility results will be reported for 95% of all culture-positive TB cases
2005-2009 TB Objectives, Cont.A National Measurement of Our Success as a State 1999-2003 • Contacts were identified for 82% of sputum smear+ cases • 57% of contacts to sputum smear+ cases were evaluated • 47% of infected contacts started on treatment, completed (reporting delay) • State Objectives, by 2009 • Contacts will be identified for at least 90% of sputum smear+ cases • 75% of contacts to sputum smear+ cases will be evaluated • 70% of infected contacts started on treatment will complete
Impact of Cohort Review in WA StatePre (2001) and Post (2004) ImplementationCase Summary
Post ImplementationCase Summary: Timeliness Measures(Washington Modification to NYC Model)
Percentage of cases on directly observed therapy (DOT), North/South regions 91% 80%
Percentage of cases offered an HIV test at time of TB screening, North/South regions 92% 90%
Percentage of infectious cases (smear +) “likely to complete” medications, North/South regions 90% 89%
Percentage of infectious cases lost to follow-up or refused to continue treatment after starting, North/South regions 0% 0%
Median number of days between sputum collection and receipt at a lab, North/South regions
Median number of days between the smear + date and LHJ report of case to DOH, North/South regions
Cases: October - December 2007 North/South regions • 80% of cases completed treatment; 89% expected to complete • 11% moved or died • 3% lost • 91% were on DOT (100% for smear+) • 8% not offered an HIV test • 17% had medical adherence issues • 9% had personal adherence issues • 6% provider interrupted therapy
Cases: Oct - Dec 2007North/South regions, cont’d Median Number of Days: Timeliness Measures • 3 cases had an MTD test • Of those that didn’t (n=4 smear-culture+ cases) • Median of 10 days between date sputum was collected and date they started meds • Lab Sputum Collection: 1 day • Culture Testing: 17.5 days • Susceptibility: 21 days
Contacts: October – December 2007North/South regions • 139 contacts identified to 36 cases; ~8 per case, median of 5.5 • 80% of smear + cases identified contacts (2 case didn’t) • 10 smear + cases identified 86 contacts • 82% tested • 57% evaluated for TB • 21% infected • 21% infection rate (diseased + infected) • 17% were infected by didn’t start treatment • 83% of infected started treatment and of those… • 20% completed (4 contacts) • 55% currently on or not closed out in our database • 20% Provider discontinued meds (contacts to pediatric cases) (4 contacts) • 5% Moved (1 contact)
Contacts and References • Kim.Field@doh.wa.gov 360-236-3447 • http://www.doh.wa.gov/cfh/TB/Manual/Forms/CohortPresentation.pdf • http://www.doh.wa.gov/cfh/TB/Manual/Forms/CohortDictionary.pdf
References • S:\CFH\IDRH\TB Services\Cohort Review\Generic Forms