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Table 3 Indexes of 50 patient CK SRS plans

From: Benefit of dosimetry distribution for patients with multiple brain metastases from non-small cell lung cancer by a Cyberknife stereotactic radiosurgery (SRS) system

 

SLP mean (range)

MLP mean (range)

R mean (range)

t

P

Conformity index (CI)

1.14 (1.04–1.23)

1.13 (1.03–1.24)

/

1.57

2.94

Homogeneity index (HI)

1.35 (1.32–1.47)

1.37 (1.33–1.47)

/

−4.21

1.08

Total beam number

133 (101–149)

128 (97–138)

3.96% (3.76–6.71%)

−1.71

<0.01

Total monitor units (MU)

12,774.83 (9121.67–15,243.74)

12,719.26 (8974.16–15,158.49)

0.56% (0.43–1.64%)

1.09

0.04