Table 4.

Results of uniformity and contrast measurements for phantom experiments simulating low-dose rest part of MPS acquisition, including lateral and septal wall defect inserts. Each measurement represents a series of ten phantom acquisitions performed sequentially on DNM and S-SPECT (Ventri). Overall, notwithstanding the significantly shorter acquisition time of DNM, uniformity and defect contrast trade-off are comparable to S-SPECT

	Male phantom configuration mean (SD)		Female phantom configuration mean (SD)
	DNM	S-SPECT	DNM	S-SPECT
NSD, %	12.5 (1.0)	13.6 (1.35)	14.9 (0.98)	17.5 (2.55)
Lat EC, %	38.5 (4.75)	30.5 (8.5)	37.5 (6.35)	42.3 (6.05)
Sep EC, %	28.5 (4.1)	14.2 (5.55)	33.8 (5.8)	20.3 (10.55)

SD standard deviation, NSD normalized standard deviation, Lat lateral wall defect, EC effective contrast, Sep septal wall defect