TABLE 3

Qualitative Analysis of Image Quality Parameters for Different Acquisition Times

	Overall image quality				Background				Noise level				Lesion detectability
BMI class	2 min	2.5 min	3 min	P	2 min	2.5 min	3 min	P	2 min	2.5 min	3 min	P	2 min	2.5 min	3 min	P
1	23	20	20	0.07	22	20	20	0.18	30	21	20	0.87	22	20	20	0.18
II	21	20	20	0.44	26	21	21	0.85	35	23	21	0.65	20	20	21	0.44
III	30	24	20	0.22	30	23	20	0.39	40	33	22	0.001^*	22	20	20	0.18
All	74	64	60	0.41	78	64	61	0.45	105	77	63	0.001^*	64	60	61	0.07

↵* Statistically significant.
Data are summed scores for image quality parameters scored from 1 (excellent) to 5 (unacceptable).