Pulmonary blood volume measured by cardiovascular magnetic resonance: influence of pulmonary transit time methods and left atrial volume

Table 5 Intraclass correlation

		ICC single measure	Single measure 95% CI	ICC average measure	Average measure 95% CI
PBV	PBT(FPP)	0.56	0.01 to 0.78	0.71	0.18 to 0.87
	Peak-peak(FPP)	0.55	0.01 to 0.79	0.71	0.01 to 0.88
	CoG(FPP)	0.64	− 0.08 to 0.88	0.78	− 0.18 to 0.94
PBV–LAV_mean	PBT(FPP)	0.66	0.47 to 0.79	0.80	0.64 to 0.88
	Peak-peak(FPP)	0.68	0.49 to 0.80	0.81	0.66 to 0.89
	CoG(FPP)	0.84	0.71 to 0.91	0.91	0.83 to 0.95

Intraclass correlation (ICC) of pulmonary blood volume (PBV) for the different first pass perfusion (FPP) methods compared with pulmonary transit time pulmonary artery-left atrium (CoG(PA-LA))
PTB(FPP) pulmonary transit time, pulmonary transit beats; peak-peak(FPP) pulmonary transit time, peak to peak; CoG(FPP) pulmonary transit time, center of gravity; LAV_mean mean left atrial volume, CI confidence interval
p-values for all correlations were < 0.001

ISSN: 1532-429X