Table 5.
Schistosoma haematobium egg counts on discrepant slides when examined by original or quality control urine filtration (QCUF) microscopy
Microscopic examination | n | % | |
---|---|---|---|
Children | Slides with original and QCUF reading | 4477 | |
Slides with positive results in both readings | 1096 | ||
Slides with negative results in both readings | 3087 | ||
Slides with discrepant results (one reading positive, one reading negative) | 294 | ||
S. haematobium egg counts on discrepant slides | |||
1 egg | 93 | 31.6 | |
2 eggs | 57 | 19.4 | |
3 eggs | 39 | 13.3 | |
4 eggs | 23 | 7.8 | |
5 eggs | 14 | 4.8 | |
1–5 eggs | 226 | 76.9 | |
6–10 eggs | 36 | 12.2 | |
11–49 eggs | 22 | 7.5 | |
50+ eggs | 10 | 3.4 | |
Adults | Slides with original and QCUF reading | 1566 | |
Slides with positive results in both readings | 199 | ||
Slides with negative results in both readings | 1292 | ||
Slides with discrepant results (one reading positive, one reading negative) | 75 | ||
S. haematobium egg counts on discrepant slides | |||
1 egg | 34 | 45.3 | |
2 eggs | 12 | 16.0 | |
3 eggs | 6 | 8.0 | |
4 eggs | 7 | 9.3 | |
5 eggs | 4 | 5.3 | |
1–5 eggs | 63 | 84.0 | |
6–10 eggs | 10 | 13.3 | |
11–50 eggs | 1 | 1.3 | |
51+ eggs | 1 | 1.3 |