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The cross tabulations of the treatment effect on PSI and the sum of coding.
| Tx effect on PSI |
||||
| Sum of coding | Negative effect (Total # = 12) | Positive effect (Total # = 23) | Total # each row | % Positive effect |
| 0 | 4 | 0 | 4 | 0% |
| 1 | 5 | 1 | 6 | 16.67% |
| 2 | 3 | 6 | 9 | 66.67% |
| 3 | 0 | 16 | 16 | 100% |
