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Table 3 Correlation between planned and recalculated values for the lung volume receiving 20 Gy, 10 Gy and the mean lung dose.

From: Developing and evaluating stereotactic lung RT trials: what we should know about the influence of inhomogeneity corrections on dose

  Unit density EPL
Parameter Correlation R2-value Correlation R2-value
V20 Gy 1.12·V20 Gy, planned - 0.24 0.994 0.85·V20 Gy, planned - 0.35 0.957
V10 Gy 1.08·V10 Gy, planned - 0.05 0.996 0.92·V10 Gy, planned - 0.07 0.979
MLD 1.11·MLDplanned - 0.998 0.90·MLDplanned 0.999