Table 4.
Observed and expected cross-table between effect on TL and PD.
| Effect TL | No | Yes | |
|---|---|---|---|
| Observed Effect PD | |||
| No | 289 | 101 | 390 |
| Yes | 116 | 509 | 625 |
| 405 | 610 | 1015 | |
| Expected Effect PD | |||
| No | 156 | 234 | 390 |
| Yes | 249 | 376 | 625 |
| 405 | 610 | 1015 | |
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