Fig. 2

Frequency distribution of the four different LV–geometrical patterns in patients with vs without sleep apnea. The spreadsheet showed the distribution of LV mass index versus relative wall thickness (RWT). Apnea-hypopnea index (AHI) ≥5 n/h = sleep apnea. Left ventricular geometry, including concentric remodeling as well as eccentric and concentric hypertrophy based on normal/high RWT and left ventricular hypertrophy (LVH) based on left ventricular mass index (LVMI g/height ^2.7) criteria. The reference lines indicate the gender-independent LVH cut-off, (51 g/m ^2.7, vertical line), and the upper limit of RWT (0.42, horizontal line). In boxes: geometric pattern, percentage: without sleep apnea/with sleep apnea; χ²-test df = 3 p < 0.001