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Linear mixed effects model coefficients and 95% confidence intervals, where dose differences are calculated as a percentage of the prescription dose.
| Dosimetric difference (%) | 95% confidence (%) |
||
|---|---|---|---|
| Lower bound | Upper bound | ||
| Modality (CT vs. sCT) | 0.1 | 0.0 | 0.2 |
| Hospital (centre A vs centre B) | −0.1 | −0.4 | 0.1 |
| Site (rectal cancer vs anal cancer) | 0 | −0.2 | 0.3 |
| Sex (male vs female) | 0 | −0.2 | 0.1 |
