Men	Women
RA minor axis dimension (cm/m²)
1.9 ± 0.3	1.9 ± 0.3
RA major axis dimension (cm/m²)
2.4 ± 0.3	2.5 ± 0.3
2D echocardiographic RA volume (mL/m²)
25 ± 7	21 ± 6

Data are expressed as mean ± SD.