Personalization of 99mTc-sestamibi activity in SPECT/CT myocardial perfusion imaging with the cardiofocal SmartZoom® collimator

EJNMMI Physics

Table 2 Demographic and treatment characteristics of the patient cohorts

Variable	Total cohort used to derive the equation n = 294^a	Subgroup used for image-quality evaluation n = 50^a
Age, years	66 ± 10	65 ± 11
Women, n (%)	105 (36)	15 (30)
Height, cm	170 ± 9	172 ± 10
Weight, kg	84 ± 17	92 ± 22
Weight range, kg (min–max)	41–145	44–145
BMI, kg/m²	29 ± 6	31 ± 7
BMI > 30 (obese), n (%)	109 (37)	24 (48)
BMI range (min–max)	17–53	18–53
Injected activity, MBq	259 ± 13	257 ± 12

The data are expressed as mean ± standard deviation unless otherwise indicated
BMI, body mass index
^a The 294-patient cohort was used to derive the equation between MS and body weight while the 50-patient subgroup of the latter cohort was used for image quality evaluation