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Predictive cutoff value of spleen dosimetric variables and its determining ability to Min ALC
| Parameters | Threshold | Accuracy | OR | 95% CI |
|---|---|---|---|---|
| MSD | 227.72 cGy | 77.70% | 14.39 | 12.18 to 16.60 |
| V5 | 17.84% | 75.90% | 7.99 | 6.91 to 9.07 |
| V25 | 0.98% | 74.30% | 0.77 | 0.08 to 1.46 |
| V30 | 0.42% | 77.70% | 0.53 | −0.13 to 1.19 |
MSD mean dose of spleen, V x volumetric proportion of spleen receiving ≥ x Gy, Min ALC minimum absolute lymphocyte counts during radiotherapy, OR odds ratio, CI confidence interval
