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. 2015 Jul 28;9(7):e0003959. doi: 10.1371/journal.pntd.0003959

Table 3. PCR results according to Schistosoma infection status as assessed by microscopy in Senegal.

Egg-based infection status a DNA-based results
Percentage PCR-positives (n) Median Ct-value (IQR) b
Mixed infections 89.1% (82/92) d 20.9 (19.8–22.9)
Single S. mansoni 90.7% (39/43) 22.5 (21.1–25.2)
Single S. haematobium 59.1% (13/22) c 29.7 (25.9–34.5)
Negative 22.5% (9/40) 33.9 (32.6–34.6)

a Based on microscopy on 2 stool samples and 10ml of urine.

b Median and IQR (interquartile range, calculated using Tukey’s hinges) are given for PCR-positive individuals only.

c Including one PCR-negative person with ectopic S. mansoni eggs in urine, but not in stool.

d Including 14 PCR-positives with ectopic S. mansoni eggs in both stool and urine, and S. haematobium in urine.