Table 5.
Retinal Thickness (in µm) of OD and OS Eyes*
| Two-Way Repeated Measures ANOVA | |||||
|---|---|---|---|---|---|
| Matching | Stacked | ||||
| Assume sphericity? | Yes | ||||
| Alpha | 0.05 | ||||
| ANOVA Table | Sum of Squares | Degrees of Freedom | Mean Square | F(DFn, DFd) | P |
| Between subject | |||||
| Treatment | 574.5 | 2 | 287.2 | F(2, 30) = 12.25 | 0.0001 |
| Subject | 703.5 | 30 | 23.45 | F(30, 30) = 10.70 | <0.0001 |
| Within subject | |||||
| Eye | 1.351 | 1 | 1.351 | F(1, 30) = 0.6164 | 0.4385 |
| Eye × treatment | 0.5959 | 2 | 0.298 | F(2, 30) = 0.1360 | 0.8734 |
| Residual | 65.75 | 30 | 2.192 | — | — |
| Total | 1345.31 | 65 | — | — | — |
Shown is the GraphPad Prism8 ANOVA output of the two-factor repeated measures experiment with three treatment groups and the repeated factor eye. Sphericity assumes that variances of differences between all possible pairs of within-subject conditions are equal.