CyberKnife® radiosurgery in the treatment of complex skull base tumors: analysis of treatment planning parameters

Table 4 Statistical Analysis

	Control Group I (simple) (n = 36)	Study Group (complex) (n = 46)	Difference of the means (95% CI)	p Value
Volume (cc)
Mean	45.61	12.60	---	0.0059^a
Median	8.83	7.27
Homogeneity Index
Mean	1.26	1.24	0.019 (-0.024, 0.063)	0.38^a
Median	1.25	1.25
New Conformity Index
Mean	1.66	1.67	-0.007 (-0.155, 0.142)	0.93^a
Median	1.57	1.57
Percent Target Coverage (%)
Mean	95.9	94.3	1.581 (-0.304, 3.466)	0.10^b
Median	97.5	94.7

ISSN: 1748-717X