Appendix Table 1.
Category for Risk(Y) |
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1 | 2 | . . . | K | Total | |
Events | O1 | O2 | . . . | OK | O = ∑Ok |
Nonevents | n1 − O1 | n2 − O2 | . . . | nK − OK | n − ∑Ok |
No. of subjects | n1 | n2 | . . . | nK | n = ∑nk |
Event rate | . . . |
The upper 2 rows show notation corresponding to the Pearson chi-squared statistic. The lower 2 rows show notation corresponding to the risk reclassification statistic. There is only 1 category for the baseline risk.