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Table 1 Details of eligible active screening sessions and best estimates of stage 1 and 2 prevalence in the three areas investigated, as well as in all three areas combined (equivalent to treating the three screened populations as one large population)

From: Updated estimate of the duration of the meningo-encephalitic stage in gambiense human African trypanosomiasis

  Adjumani, Uganda Arua-Yumbe Uganda Kiri, South Sudan Combined
Number of eligible screening sessions 78 64 32 174
Total population targeted for screening 76,864 163,523 11,231 251,618
Village population: median (IQR) 831 (630–1,074) 2,274 (1,824–2,844) 217 (103–297) 1,041 (571–2035)
Estimated prevalent cases in stage 1 (S1) 731 298 101 1130
Estimated prevalent cases in stage 2 (S2) 363 117 61 541
S 1S 2 ratio 2.01 2.55 1.66 2.09
  1. IQR inter-quartile range.