Figure 4. Parametric estimates with corresponding 95% CIs showing predicted CRT response as a function of QRSd in 4 subgroups: women with heart size above and below median LVEDV of 168.5 mL, and men with heart size above and below median LVEDV of 227.6 mL.

CRT indicates cardiac resynchronization therapy; LVEDV indicates left ventricular end‐diastolic volume; and QRSd, QRS duration. The dashed lines represent the 95% CIs.