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Checkerboard for comparison of positive and negative results of Stx-specific ELISA, LC-PCR, and conventional PCR for all 295 stool specimens
| Result | No. of specimens with the following result:
|
|||
|---|---|---|---|---|
| LC-PCR + | LC-PCR − | PCR + | PCR − | |
| ELISA + | 31 | 8 | 31 | 8 |
| ELISA − | 20 | 236 | 15 | 241 |
| PCR + | 46 | 0 | ||
| PCR − | 5 | 244 | ||
