Two way analysis of variance for the change-score data of table 1
| Source of variation | Degrees of freedom | Sum of squares | Mean square |
|---|---|---|---|
| * Variance in scores due to differences between patients; †variance in scores due to differences within a patient; ‡variance in scores due to the differences between the raters; §variance in scores due to unknown sources. | |||
| Between-patient* | 9 | 520.25 | 57.81 |
| Within-patient† | 10 | 19.50 | 1.95 |
| Between-measurement‡ | 1 | 0.45 | 0.45 |
| Residual§ | 9 | 19.05 | 2.12 |
| Total | 19 | 539.75 | |