... RESEARC H ARTIC LE Open Access Management of pulmonary tuberculosis patients in an urban setting in Zambia: a patient’s perspective Chanda Mulenga1,2*, David Mwakazanga1, Kim Vereecken3, ... 50%±10%, at a confidence interval of 95%, and non-responselevel of 10%, and therefore estimated a sample size of 105 as sufficient.Data collection, management and analysisInitial contact with ... data was entered in an MS Access data-base using Epi Info™3.5.1 (Centers for Disease Controland Prevention, Atlanta, GA, USA), with in- built consis-tency and range checks. The database was...