TABLE 2

Dose Metrics for All Treatments and for Those with a 6-Month Tumor Response Evaluation^*

	All (n = 42)				OR (n = 14)		NR (n = 12)
Metric	Mean	SD	Median	Range	Mean	SD	Mean	SD	OR vs. NR (P)
Injected activity (GBq)	1.18	0.43	1.10	0.29–2.60	1.07	0.51	1.18	0.29	NS
Lung shunt (%)	6.8	4.0	5.9	1.73–18.6	6.4	4.0	6.5	3.0	NS
Tumor volume (cm³)	407	462	213	8–2,043	214	175	385	374	NS
Mean dose (Gy)
Tumor
^99mTc-MAA	77	51	52	19–212	104	58	68	41	0.09
⁹⁰Y-microspheres	74	47	60	23–197	97	53	60	24	0.04
P	NS				NS		NS
NTL
^99mTc-MAA	16	9	17	0–38	17	7	16	9	NS
⁹⁰Y-microspheres	22	9	21	7–44	24	8	21	10	NS
P	0.003				0.02		NS
DVH indices
D₅₀ (Gy)
^99mTc-MAA	61	49	43	9–219	92	62	50	27	0.04
⁹⁰Y-microspheres	66	46	48	15–200	87	49	50	21	0.02
P	NS				NS		NS
D₇₀ (Gy)
^99mTc-MAA	34	35	24	1–164	57	48	28	22	0.06
⁹⁰Y-microspheres	45	36	32	8–165	61	38	34	17	0.04
P	NS				NS		NS
V₁₂₀ (%)
^99mTc-MAA	19	23	8	0–83	33	27	13	16	0.04
⁹⁰Y-microspheres	19	25	8	0–87	28	28	9	13	0.05
P	NS				NS		NS

↵* According to criteria of European Association for Study of Liver.
NS = not significant; D₅₀ and D₇₀ = minimum dose to 50% and 70%, respectively, of tumor volume; V₁₂₀ = percentage of volume receiving at least 120 Gy.