. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: J Am Soc Echocardiogr. 2013 Oct 24;27(1):17–23. doi: 10.1016/j.echo.2013.09.015

Table 2. Mitral valve and left chamber characteristics by echocardiography.

	MVP (n=77)	MSD (n=57)	AAC (n=11)	Referents (n=151)
Annular size, D (mm)	30.9 ± 5.6^a	28.6 ± 4.1^b	30.1 ± 4.1^a	27.3 ± 3.8^b
Anterior projection, A (mm)	17.6 ± 4.8^a	19.3 ± 3.9^a	15.4 ± 1.7^b	19.3 ± 3.6^a
Posterior projection, P (mm)	13.0 ± 4.4^a	8.9 ± 1.9^b	15.4 ± 1.7^c	7.8 ± 1.8^b
Coaptation height, C or P/D (%)	42 ± 12^a	31 ± 6^b	49 ± 3^c	28 ± 2^b
Anterior thickness (mm)	4.3 ± 0.9^a	3.4 ± 0.5^b	4.0 ± 0.6^a,c	3.1 ± 0.7^d
Posterior thickness (mm)	4.8 ± 0.9^a	3.6 ± 0.6^b	4.2 ± 0.9^a,c	3.1 ± 0.7^d
Anterior displacement (mm)	1.5 ± 1.4^a	0.0 ± 0.1^b	0.0 ± 0.0^b	0.0 ± 0.0^b
Posterior displacement (mm)	2.2 ± 1.2^a	1.5 ± 0.2^b	1.1 ± 0.6^c	0.0 ± 0.0^d
LA ant-post diameter (mm)	3.2 ± 0.3^a	3.0 ± 0.2^b	3.1 ± 0.2^a	3.0 ± 0.4^c
LV fractional shortening (%)	37 ± 5^a	36 ± 4^a	37 ± 3^a	36 ± 4^a

MVP = mitral valve prolapse; MSD = minimal systolic displacement; AAC = abnormal anterior coaptation; LA = left atrium; ant-post = antero-posterior; LV = Left ventricular. In each row, means with different superscript letters are significantly different, p<0.05, otherwise p≥0.05.