Table 3:

Intra-observer reproducibility of coronary flow velocity metrics using proposed triggered GA scheme with shifted binning.

	Intra-Observer Reproducibility (*n=38,18 RCA and 20 LAD)
	First Observation	Second Observation	ICC	P Value
PSV max (cm/s)	13.0 ± 7.7	13.2 ± 9.0	0.94	<0.01
TSV max (ms)	81.8 ± 58.2	95.8 ± 79.0	0.38	<0.01
PDV max (cm/s)	20.8 ± 5.5	21.1 ± 5.4	0.98	<0.01
TDV max (ms)	419.6 ± 69.8	414.2 ± 71.9	0.92	<0.01
PSV mean (cm/s)	9.1 ± 6.4	9.4 ± 7.1	0.96	<0.01
TSV mean (ms)	74.9 ± 43.5	90.8 ± 72.9	0.37	=0.01
PDV mean (cm/s)	14.5 ± 4.4	14.7 ± 4.1	0.96	<0.01
TDV mean (ms)	421.2 ± 68.3	414.2 ± 72.4	0.88	<0.01
flow (ml/cycle)	0.62 ± 0.25	0.64 ± 0.31	0.91	<0.01
flow rate (ml/min)	43.5 ± 18.9	44.6 ± 21.4	0.94	<0.01
area (mm2)	11.6 ± 3.4	11.3 ± 3.3	0.98	<0.01

Flow velocity metrics are in mean ± standard deviation.

Abbreviations: PSV = peak systolic velocity, TSV = time to PSV, PDV = peak diastolic velocity, TDV = time to PDV, max = maximum velocity in vessel ROI, mean = average velocity in vessel ROI, ICC = intra-class correlation coefficients for absolute agreement

^*18 RCA scans include 7 first scans, 4 intra-scan repeats without repositioning, and 7 inter-scan repeats after repositioning. 20 LAD scans include 8 first scans, 4 intra-scan repeats without repositioning, and 8 inter-scan repeats after repositioning