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Spearman's correlation coefficient (r‐value) among different dose QA methods (criteria of 3%/3 mm for composite field measurement).
| Measurement | Low Dose | Composite Field | |
|---|---|---|---|
| High dose | r‐value | 0.106 | 0.016 |
| p‐value | 0.187 | 0.840 | |
| r‐value | 0.04 | ||
| Low dose | p‐value | 0.618 | |
| n | 155 | 155 |
