Sensitivity and specificity of PCR on blood for diagnosis of HAT.

<p>Note. CI = confidence interval.</p

Classification of study participants according to reference standards for diagnosis, staging and follow-up (FU).

<p>At each follow-up time point, the number of patients attending is given. Patient groups reaching a final outcome of treatment failure during follow-up and excluded from analysis at subsequent time points, are indicated with an arrow.</p

Specificity and sensitivity of PCR on CSF during post-treatment follow-up.

<p>Note. CI = confidence interval.</p