Table 1 2 × 2 contingency tables of the four techniques used for the diagnosis of Giardia spp. infection
From: Rapid on-site diagnosis of canine giardiosis: time versus performance
| Â | ELISA and PCR combined | Total | |
|---|---|---|---|
Negative | Positive | ||
SpeedTM Giardia | |||
 Negative | 42 | 8 | 50 |
 Positive | 0 | 50 | 50 |
Microscopy | |||
 Negative | 42 | 24 | 66 |
 Positive | 0 | 34 | 34 |
ELISA | |||
 Negative | 35 | 0 | 35 |
 Positive | 7 | 58 | 65 |
PCR | |||
 Negative | 28 | 0 | 28 |
 Positive | 14 | 58 | 72 |
Total | 42 | 58 | 100 |