Fully automated, inline quantification of myocardial blood flow with cardiovascular magnetic resonance: repeatability of measurements in healthy subjects

Table 1 Intrastudy repeatability of global MBF measurements

	Test 1 ml/g/min		Test 2 ml/g/min		Difference in mean ml/g/min		p	RC	RC (%)	CV (%)	ICC
Rest							< 0.01
Rest 1 - Rest 2	0.69	±0.13	0.65	±0.13	−0.04	±0.09	0.04	0.19	28.5	10.9	0.73
Rest 1 - Rest 3	0.69	±0.13	0.62	±0.12	−0.07	±0.10	0.02	0.23	35.2	11.9	0.58
Rest 2 - Rest 3	0.65	±0.13	0.62	±0.12	−0.03	±0.07	0.24	0.15	23.8	7.93	0.80
Stress
Stress 1- Stress 2	2.89	±0.56	2.83	±0.64	−0.06	±0.42	0.41	0.82	28.5	10.6	0.76

p – from repeated measures ANOVA and level of significance using Bonferroni post-hoc analysis for rest data, Student’s T-test for stress values
RC repeatability coefficient, RC (%)repeatability coefficient as percentage of the mean, CV within subject coefficient of variation, ICC intraclass correlation coefficient

ISSN: 1532-429X