Table 2.

Results of echocardiography in 17 IBM patients

	IBM patients
LA (norm < 40), mean ± SD (mm)	40.1 ± 5.2
LVEDD (norm < 56 mm), mean ± SD (mm)	50.8 ± 6.7
LVESD (norm < 42 mm), mean ± SD (mm)	31.4 ± 5.5
FS fractional shortening (LVEDD–LVESD) (norm > 25%), mean ± SD (%)	37.4 ± 10.5
IVSDD (norm 5–11 mm), mean ± SD (mm)	10.1 ± 2.0
AI (slight) (n)	4/17
MI (slight) (n)	13/17
TI (slight) (n)	12/17
PI (slight) (n)	5/17

LA left atrium, LVEDD left ventricular end-diastolic diameter, LVESD left ventricular end--systolic diameter, FS fractional shortening, IVSDD intraventricular septum end-diastolic diameter, AI aortic insufficiency, MI mitral insufficiency, TI tricuspidal insufficiency, PI pulmonary insufficiency