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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