Table 3.

Mitral annulus measurements in women

Parameter	Mean	s.d.	5–95 percentile
MA diameter at end-systole PLAX (cm)	2.83	0.35	2.3–3.4
MA diameter at end-diastole PLAX (cm)	3.11	0.40	2.5–3.8
MA diameter at end-systole PSAX (cm)	2.80	0.39	2.2–3.5
MA diameter at end-diastole PSAX (cm)	3.34	0.43	2.8–4.2
MA diameter at end-systole A4C (cm)	2.77	0.31	2.3–3.3
MA diameter at end-diastole A4C (cm)	3.06	0.33	2.4–3.6
MA diameter at end-systole A2C (cm)	2.94	0.37	2.2–3.4
MA diameter at end-diastole A2C (cm)	3.09	0.36	2.6–3.8
MV tenting distance (cm)	0.82	0.18	0.5–1.1
MV tenting area (cm2)	1.64	0.47	1.0–2.4

A4C, apical 4 chamber; A2C, apical 2 chamber; MV, mitral valve; PLAX, parasternal long axis; PSAX, parasternal short axis.