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Summary of the main parameters for the IMRT fields evaluated in this study.
| Parameter | Plan Type | Mean | Standard Deviation | Range |
|---|---|---|---|---|
| Collimator Angle (degrees) | IMRT | 14 | 24 | 330 ‐ 60 |
| Hybrid | 0 | 0 | 0 ‐ 0 | |
| X Field Size (cm) | IMRT | 10.9 | 2.0 | 7.1 ‐ 14.0 |
| Hybrid | 12.5 | 1.7 | 9.8 ‐ 14.8 | |
| MU (individual fields) | IMRT | 135 | 38 | 79 ‐ 251 |
| Hybrid | 89 | 20 | 67 ‐ 154 | |
| Average MLC Separation (cm) | IMRT | 3.4 | 0.7 | 1.8 ‐ 4.9 |
| Hybrid | 2.7 | 0.6 | 0.8 ‐ 3.5 |
