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Table 2 Ascaris spp. and Necator americanus intensity of infection quantification cycle (Cq) cut-points between heavy and moderate morbidity

From: Investigations into the association between soil-transmitted helminth infections, haemoglobin and child development indices in Manufahi District, Timor-Leste

Soil-transmitted helminth Eggs per gram of faeces (epg) classa EPG class with recovery factor appliedb Corresponding Cq-valuec
N. americanus ≥ 4000 20,000 24.6
Ascaris spp. ≥ 50,000 250,000 15.4
  1. Abbreviations: Cq, quantification cycle; epg, eggs per gram of faeces
  2. aEggs per gram of faeces intensity classes follow WHO definitions [28]
  3. bRecovery factor of 0.2 applied to epg intensity class based on recovery factor determined from faecal flotation (R. Traub, unpublished data)
  4. cDNA intensity from exponentiated Cq-values