TABLE 1.
Differences in the MCI/MI positive reactions during the studied periods analyzed by exact Fisher's test and Odds ratios (CI=95%)
| Period | N | Positive | % | OR |
|---|---|---|---|---|
| reaction | ||||
| 2006-09 | 447 | 15 | 3.35 | 3,61(CI 95% 1,91-7,16) |
| p<0,001 | ||||
| 2009-12 | 359 | 40 | 11.14 |
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