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Table 3 Comparison of subsequent isodose volumes between CK and L-mMLC systems

From: Robotic radiosurgery versus micro-multileaf collimator: a dosimetric comparison for large or critically located arteriovenous malformations

  CK ±SD L-mMLC±SD P value
IDV12Gy 61.77±66.58 70.04±75.15 0.09
IDV12Gy% 4.40±4.62 6.08±5.72 0.10
IDV10Gy 83.43±83.70 96.50±98.75 0.07
IDV10Gy% 5.96±5.8 8.26±7.35 0.08
IDV8Gy 118.03±105.52 137.12±135.49 0.09
IDV8Gy% 8.48±7.31 11.72±10.10 0.07
IDV6Gy 179.76±138.73 218.55±188.09 0.04
IDV6Gy% 12.90±9.66 18.44±13.79 0.03
IDV4Gy 308.33±192.27 385.71±263.30 0.01
IDV4Gy% 22.17±13.46 31.92±18.48 <0.05
IDV2Gy 583.20±264.75 608.47±316.86 0.58
IDV2Gy% 41.90±18.35 50.40±22.08 0.04
  1. CK-CyberKnife, L-mMLC – linac with micro-multileaf collimator, SD – standard deviation.
  2. Volumes are presented both in absolute values and as ratios to total tissue volume.
  3. Significant differences are marked with bold font.