Table 2.

Echocardiographic phenotype at 12 weeks

	H/H, n=9	DN/H, n=19	DN/DN, n=12
Septal wall, mm	0.75 ± 0.02	0.72 ± 0.02	0.69 ± 0.03
Posterior wall, mm	0.51 ± 0.03	0.47 ± 0.01	0.51 ± 0.04
Left ventricle, mm
End diastole	3.01 ± 0.08	3.09 ± 0.08	3.33 ± 0.07*
End systole	1.49 ± 0.09	1.76 ± 0.05*	2.01 ± 0.05*†
Fractional shortening, %	52.0 ± 1.6	43.1 ± 0.7*	39.9 ± 0.7*†

^*P <0.05 versus H/H.

^†P <0.05 versus DN/H.