Fig. 2From: Capnometric feedback training decreases 24-h blood pressure in hypertensive postmenopausal womenMeans and standard errors of end tidal CO2 (upper panel) and breathing rate (lower panel) during baseline and post-intervention rest (white bars), six weekly clinic sessions of capnometric training (black bars), and preceding and following the control period (hatched bars). **p < .01Back to article page