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Table 4 Left ventricle peak systolic longitudinal and circumferential strain

From: Mitral valve prolapse morphofunctional features by cardiovascular magnetic resonance: more than just a valvular disease

LV peak systolic longitudinal strain (%)
  Controls [n = 44] MVP (all) [n = 78] MVP (no significant MR) [n = 34] “Borderline” MVP [n = 13]
Global − 13.9 [− 15.5/− 11.6] − 14.8 [− 16.9/− 13.1] − 14.3 [− 16.0/− 13.1] − 15 [− 16.6/− 13.5]
Basal − 10.4 [− 12/− 8.5] − 13.7 [− 17.5/− 11.3]** − 12.9 [− 16.2/− 9.5]* − 13.5 [− 14.8/− 11.9]**
Basal anterior − 13.5 [−  16.3/− 10.6] − 18.2 [−  20.5/− 14.6]° − 16.5 [− 19.5/− 10.8] − 15.1 [−  17.9/− 13.5]
Basal anterolateral − 11.5 [− 14.9/− 8.0] − 17.4 [− 20.9/− 11.7]° − 16.5 [− 21.0/− 9.4] − 15.9 [− 17.4/− 12.2]°
Basal inferolateral − 10.9 [− 13.4/− 9.1] − 14.5 [− 18.1/− 11.8]° − 13.2 [− 17.2/ − 11.7] − 13.7 [− 18.2/− 8.9]
Basal anteroseptal − 9.8 [− 11.8/− 5.2] − 12.7 [− 15.5/− 8.8]° − 11.4 [− 15.1/− 7.3] − 9.9 [− 14.4 /—9.2]
LV peak systolic circumferential (strain %)
  Controls (n = 43) MVP (all) (n = 78) MVP (no significant MR) (n = 34) “Borderline” MVP [n = 13]
Global − 16.4 [− 17.6/− 13.8] − 16.23 [− 18.5/− 14.8] −  15.8 [− 17.1/− 14.8] − 16.6 [− 17.3/− 14.7]
Basal − 14.6 [− 16/− 12.1] − 16.2 [− 17.6/− 14.1]* − 15.3 [− 16.8/− 14.2] − 16.6 [− 18.1/− 14.7]*
Basal anterior − 18.3 [− 19.6/− 15.0] − 20.1 [− 22.4/ − 17.8]° − 19.6 [− 22.4/− 17.6] − 17.9 [− 20/− 16.3]
Basal anterolateral − 16.6 [− 19.6/− 13.4] − 19.8 [− 21.9/− 17.4]° − 19.9 [− 22.5/− 17.6]° − 18.9 [− 22.1/− 17.4]
  1. Values expressed as medians [interquartile range]. *P Value < 0.05 versus controls. **P Value < 0.01 versus controls. °P Value < 0.05 versus controls after Holm-Bonferroni correction. LV left ventricle, MR mitral regurgitation; MVP mitral valve prolapse. Other regional strains are shown in the Additional files 4 and 5