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Summarized data of errors and PTV margin estimates for the observation and control groups.
| Characteristic | Observation group | Control group | ||||
|---|---|---|---|---|---|---|
| X | Y | Z | X | Y | Z | |
| Random errors(mm) | 1.93 | 3.1 | 1.59 | 2.85 | 4.13 | 2.26 |
| Systematic errors(mm) | 1.52 | 1.7 | 1.34 | 2.31 | 3.38 | 1.55 |
| PTV margins(mm) | 4.39 | 5.57 | 3.80 | 6.61 | 9.65 | 4.68 |
p < 0.05, statistically significant.
