Table 5

Relation of Volume and Pressure Load to Indexed Left Atrial Volume

S/D Ratio (Pressure Load)Stroke Volume (Volume Load)
βp Valueβp Value
Normal weight normotensive−0.0050.9390.389<0.001
Normal weight hypertensive−0.351<0.0010.0630.361
Obese normotensive−0.1360.1710.3060.002
Obese hypertensive−0.1680.0100.292<0.001

Regression coefficients (β) and respective p values for regression models including S/D ratio, stroke volume, and age and sex (data not shown). Data derived from the follow-up investigation.