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Q Do educational outreach visits to nurse practitioners improve tuberculosis detection and management of respiratory illness in primary care clinics in rural South Africa?
METHODS
Design:
cluster randomised controlled trial.
Allocation:
concealed.
Blinding:
blinded (patients and data collectors).
Follow up period:
1 and 4 months after intervention began.
Setting:
40 large primary care clinics in Free State province, South Africa.
Patients:
1999 patients ⩾15 years of age (mean age 45 y, 65% women) who had difficult breathing on presentation or in the past …
Footnotes
For correspondence: Dr M Zwarenstein, St Michaels Hospital, Toronto, Ontario, Canada. merrick.zwarenstein{at}ices.on.ca
Sources of funding: International Development Research Centre, Canada; Medical Research Council, South Africa; Free State Department of Health; and University of Cape Town Lung Institute.
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