2.4.3. Data Analysis

Fischer's exact test was used to determine if there was an association between second line drug resistance and *M.tb* family, the patients' age, HIV status and sex. The factors were examined for a favorable treatment outcome using logistic regression techniques. A *p*-value of <0.05 was considered statistically significant. STATA version 14 (Stata Corp, College Station, TX, USA) was used for statistical analysis.
