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ANOVA results on the unattached spherical subset. Interaction factors are denoted in parenthesis.
| Factors: (1) size, (2) HU, (3) slice thickness × collimation, (4) mAs, (5) pitch, and (6) kernel | ||
|---|---|---|
|
| ||
| Model | Without interaction | With two-factor interactions |
| Variables | 1–6 | 1–6 and interactions |
| R-squared | 0.61 | 0.87 |
| Nonsignificant variable (p > 0.0083) | 4, 6 | (1, 5), (2, 4), (2, 6), (4, 6), (5, 6) |
