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.