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Comparison of microscopic examination (flotation method and SAFC technique), ELISA and PCR for the detection of Giardia duodenalis in faecal samples (microscopic and ELISA n = 8,121; microscopic and PCR n = 678; ELISA and PCR n = 30)
| ELISA | PCR | |||
|---|---|---|---|---|
| positive | negative | positive | negative | |
| Microscopic | ||||
| positive | 206 (2.5%) | 17 (0.2%) | 21 (3.1%) | 1 (0.1%) |
| negative | 623 (7.7%) | 7,275 (89.6%) | 77 (11.4%) | 579 (85.4%) |
| ELISA | ||||
| positive | - | - | 5 (16.7%) | 1 (3.3%) |
| negative | - | - | 3 (10.0%) | 21 (70.0%) |
