Trends in primary and relapse VL in Southern Sudan (1999–2007).

afrom MSF summary statistics (expressed as proportion of patients treated for primary VL, N = 11,319).bfrom MSF treatment records (proportion of primary VL patients receiving this treatment, N = 8,521).cfrom MSF summary statistics (expressed as proportion of all patients treated, N = 12,924).dfrom MSF treatment records (duration of illness self-reported by VL relapse patients, N = 589).efrom MSF treatment records (duration of illness self-reported by primary VL patients, N = 7,841).ffrom MSF treatment records (spleen size measured in primary VL patients, N = 8,494).gfrom MSF treatment records (interval between discharge and re-admission, N = 166).hAnnual Percentage Change (95% confidence interval) estimated from join-point regression.