Table 4:

Comparison of native T1 mapping, partition coefficient, and synthetic extracellular volume in patients with hypertrophic cardiomyopathy with and without late gadolinium enhancement.

	Hypertrophic cardiomyopathy with late gadolinium enhancement		Hypertrophic cardiomyopathy without late gadolinium enhancement		p-value
	n	Median (IQR)	n	Median (IQR)
Base T1 (ms)	14	1032 (1006,1042)	9	1002 (971,1029)	0.038
Mid T1 (ms)	18	1019 (1009,1045)	12	986 (960,1034)	0.034
Apex T1 (ms)	14	1006 (983,1038)	9	969 (957,1011)	0.044
Global T1 (ms)	13	1017 (1006,1027)	9	990 (962,1029)	0.10
Base partition coefficient	14	0.39 (0.37,0.46)	9	0.36 (0.34,0.38)	0.059
Mid partition coefficient	17	0.41 (0.38,0.45)	11	0.37 (0.34,0.39)	0.037
Apex partition coefficient	14	0.43 (0.40,0.47)	7	0.37 (0.36,0.39)	0.035
Global partition coefficient	12	0.42 (0.39,0.46)	7	0.37 (0.34,0.38)	0.023
Base synthetic extracellular volume	14	0.23 (0.21,0.27)	9	0.21 (0.19,0.22)	0.014
Mid synthetic extracellular volume	17	0.24 (0.22,0.26)	11	0.21 (0.20,0.22)	0.025
Apex synthetic extracellular volume	14	0.25 (0.23,0.27)	7	0.21 (0.21,0.23)	0.028
Global synthetic extracellular volume	12	0.25 (0.22,0.27)	7	0.20 (0.20,0.22)	0.038