TABLE 3.

Quantitative Image Quality in Ultra-Low-Activity Group

Acquisition duration (min)	Lesion SUVmax	Liver SUVmax	TBR
1	12.44 ± 5.00*	4.56 ± 0.86*	2.84 ± 1.36*
2	14.58 ± 6.86	3.80 ± 0.60*	3.89 ± 1.80*
4	16.95 ± 7.78	3.53 ± 0.52	4.83 ± 2.18
8	18.09 ± 8.26	3.31 ± 0.50	5.53 ± 2.50
10	18.37 ± 8.06	3.21 ± 0.46	5.78 ± 2.50
15	18.96 ± 7.93	3.08 ± 0.42	6.18 ± 2.52

^*Significant difference compared with that in G15 (P < 0.05).

Data are presented as mean ± SD, based on measurement in ROIs.