Table 1.

Reference Ranges for Left Atrial Dimension and Volume and Selected Clinical Variables

				Percentile
Linear dimensions	Sex	Mean	Range	0.05	0.50	0.95
PLAX, cm	Female	3.0 ± 0.5	1.5–4.2	2.2	3.0	3.9
	Male	3.4 ± 0.6	2.1–4.8	2.4	3.3	4.4
SI, cm	Female	4.6 ± 0.7	2.8–6.1	3.6	4.6	5.7
	Male	4.8 ± 0.7	3.3–6.7	3.7	4.7	6.1
LAT, cm	Female	3.6 ± 0.6	1.9–5.2	2.4	3.6	4.6
	Male	3.8 ± 0.6	2.4–5.1	2.6	3.7	4.7
Volume
LAV, mL	Female	27.4 ± 10.0	8.7–53.9	12.3	26.4	46.7
	Male	32.0 ± 10.9	13.9–71.5	17.2	30.1	58.2
Clinical Data	Sex	Mean	Range	0.05	0.50	0.95
Age, yrs	Female	76.5 ± 4.9	68–91	70	76	85
	Male	77.3 ± 5.6	68–93	70	75	88
Height, in	Female	62.8 ± 2.2	57.9–68.1	58.4	63.0	66.2
	Male	67.9 ± 2.5	60.4–75.2	63.8	67.8	71.7
Weight	Female	146 ± 29	84–233	96	144	193
	Male	173 ± 26	114–254	132	170	222
BSA	Female	1.66 ± 0.17	1.27–2.07	1.37	1.66	1.93
	Male	1.89 ± 0.16	1.48–2.37	1.60	1.88	2.13
BMI	Female	25.9 ± 4.6	15.2–39.5	17.9	25.2	34.0
	Male	26.3 ± 3.2	18.4–37.6	21.6	26.0	31.7
Systolic BP	Female	128 ± 18	84–181	99	126	158
	Male	130 ± 17	88–211	109	127	158
Diastolic BP	Female	68.4 ± 9.8	42–92	51	69	83
	Male	70.8 ± 9.6	49–110	56	70	87

Abbreviations as in text