Proposing indicators for evaluation of tuberculosis control programmes in large cities based on the experience of Barcelona
Abstract:OBJECTIVE: To evaluate the effectiveness of the Barcelona Tuberculosis (TB) Control Programme and to propose evaluation indicators.
MATERIALS AND METHODS: Using quantitative indicators, the results and impact of the programme over the period 1987 to 1999 were evaluated. Statistical analysis was based on a description of indicators, including tests for trends, and on the evolution of the incidence.
RESULTS: The incidence of tuberculosis rose between 1987 and 1991 (P = 0.10), and fell between 1991 and 1999 (P < 0.001). During the study period statistically significant improvements were observed in the percentage of cases notified by the medical profession, adherence to treatment and the percentage of cases on directly observed treatment (DOT), and meningitis among children aged 0 to 4 years fell notably. However, diagnostic delay in smear-positive cases and the percentage of cases whose contacts were examined did not vary significantly. The evaluation indicated an average annual decline in tuberculosis incidence of 6.7%, and rates of adherence to treatment (94.5% among smear-positive cases) achieved their objectives. The average median diagnostic delay (36 days) and the percentage of cases with contacts examined (mean 59.8%) were rather less optimistic.
CONCLUSIONS: The results of the evaluation were in general positive. Decline in incidence, meningitis in children, treatment adherence rates, diagnostic delay and percentage of cases with studied contacts were considered the best indicators for evaluation of TB programmes.
Document Type: Regular Paper
Affiliations: Department of Epidemiology, Barcelona Tuberculosis Investigation Unit, Municipal Institute of Public Health, Barcelona, Spain
Publication date: 2001-05-01
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