Table 2a.

Plan quality indices for Pituitary Adenoma cases

Patient	Volume (cc)	GK Tx Time (min)	Prescription Isodose Line (%)		Conformity Index (CI)		Paddick Conformity Index (PCI)		Gradient Index (GI)
			Gamma Knife	VMAT	Gamma Knife	VMAT	Gamma Knife	VMAT	Gamma Knife	VMAT
1	7.98	52	53	50	1.53	1.31	0.65	0.76	2.72	2.92
2	2.27	43	50	56	2.03	1.70	0.49	0.59	2.80	3.45
3	1.07	69	54	50	1.57	1.60	0.63	0.62	2.92	3.11
4	2.34	75	51	55	1.80	1.71	0.55	0.58	2.75	3.46
5	9.57	80	51	58	1.32	1.30	0.75	0.77	2.65	2.93
6	1.27	42	52	52	1.72	1.80	0.58	0.55	3.00	3.80
7	20.71	140	51	56	1.40	1.23	0.71	0.81	2.67	2.55
8	3.41	45	50	54	1.56	1.48	0.64	0.67	2.61	2.89
Mean ± SD	6.08 ± 6.69	68 ± 33	52 ± 1	54 ± 3	1.62 ± 0.23	1.52 ± 0.22	0.62 ± 0.08	0.67 ± 0.10	2.76 ± 0.14	3.14 ± 0.40
P		<0.05	> 0.05		> 0.05		> 0.05		< 0.05