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Change in defect status in rest and stress images for the pairs of classes.
| Classes (1 versus 2) | Resta | Stressa |
|---|---|---|
| Fixed versus Normal | + ,− | + ,− |
| Fixed versus Reversible | + ,− | + ,+ |
| Normal versus Reversible | − ,− | − ,+ |
In these columns the first symbol indicates the presence (+) or absence (−) of a defect in the first class and the second symbol indicates the presence or absence in the second class.
