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. 2022 Jul 1;26(7):525–531. doi: 10.5152/AnatolJCardiol.2022.907

Table 2.

Electrocardiographic and Echocardiographic Findings of the Study Population

Total (n = 89) FSHD Group (n = 35) Control Group (n = 54) P
Heart rate, beat/min 87 (77-92) 87 (80-93) 86 (76-92) .751
QRS duration, ms 88.5 (82.0-96.0) 85.5 (76.2-96.0) 89.5 (84.0-95.7) .165
QT duration, ms 345 (325-360) 341 (316-359) 349 (331-366) .220
Corrected QT duration, ms 401 (382-423) 389 (373-406) 417 (396-428) .001
Fragmented QRS, n (%) 6 (6.7) 3 (8.5) 3 (5.6) .634
Brunch blocks, n (%) 9 (10.1) 7 (20.0) 2 (3.7) .017
LV diastolic diameter, mm 4.5 (4.2-4.7) 4.4 (4.2-4.6) 4.6 (4.3-4.8) .020
LV systolic diameter, mm 2.7 (2.4-2.9) 2.6 (2.3-2.7) 2.7 (2.6-2.9) .002
Septum thickness, mm 9 (8-10) 9 (8-11) 9 (8-10) .770
LV posterior wall thickness, mm 9 (8-10) 9 (8-10) 9 (8-10) .616
LV diastolic volume index, mL/m2 56.44 (50.12-61.42) 55.73 (44.63-59.71) 56.97 (52.27-61.83) .078
LV systolic volume index, mL/m2 19.84 (18.06-22.03) 19.77 (17.21-21.91) 19.85 (18.55-22.28) .483
Biplane ejection fraction, % 64.0 (63.0-66.0) 64.0 (63.0-66.0) 64.0 (62.8-66.0) .813
Mitrale E wave, cm/s 0.90 (0.79-0.98) 0.83 (0.73-0.95) 0.91 (0.83-1.03) .014
Mitrale A wave, cm/s 0.66 (0.56-0.80) 0.63 (0.54-0.71) 0.68 (0.58-0.83) .058
Lateral e wave, cm/s 18.0 (14.0-21.0) 16.0 (12.0-19.0) 19.0 (16.0-22.0) <.001
Lateral a wave, cm/s 10.0 (8.0-11.0) 10.0 (8.0-11.0) 10.0 (9.0-12.0) .040
Lateral Sm, cm/s 9.0 (8.0-11.0) 9.0 (8.0-13.0) 9.5 (8.0-11.0) .879
Septal e wave, cm/s 14.0 (12.0-16.5) 13.0 (10.0-16.0) 15.0 (13.0-17.0) .009
Septal a wave, cm/s 9.0 (8.0-11.0) 8.0 (7.0-10.0) 9.0 (9.0-11.0) .026
Septal Sm, cm/s 9.0 (8.0-10.0) 8.0 (8.0-10.0) 9.0 (8.8-10.0) .052
Apical 4 chamber LS, % −19.7[(−21.1)-(−18.3)] −19.9[(−21.6)-(−17.6)] −19.7[(−21.1)-(−18.6)] .605
Apical 2 chamber LS, % −20.1[(−22.1)-(−18.9)] −19.9[(−21.8)-(−18.2)] −20.4[(−22.2)-(−19.4)] .305
Apical 3 chamber LS, % −19.8[(−21.7)-(−18.5)] −19.2[(−20.6)-(−18.2)] −19.9[(−21.8)-(−18.7)] .150
LV-GLS, % −20.0[(−21.2)-(−18.9)] −19.8[(−21.2)-(−18.4)] −20.1[(−21.5)-(−19.0)] .259
LV GLS-endocardium,% −23.1[(−24.7)-(−21.7)] −22.8[(−24.8)-(−20.8)] −23.2[(−24.6)-(−21.8)] .364
LV GLS-epicardium, % −17.5[(−18.9)-(−16.5)] −17.1[(−18.3)-(−15.4)] −17.8[(−19.2)-(−16.7)] .104
LV-GCS, % −21.1[(−22.4)-(−19.6)] −20.3[(−22.0)-(−19.0)] −21.6[(−22.5)-(−20.0)] .020
LV-GRS, % 43.6 (38.3-47.8) 42.3 (38.3-47.3) 45.3 (38.8-48.6) .338
RV EDA, cm2 15.9 (13.9-19.2) 15.1 (13.6-18.2) 16.8 (15.5-19.9) .033
RV ESA, cm2 8.8 (7.5-10.2) 8.1 (7.5-10.2) 9.1 (7.7-10.8) .208
RV FAC, % 45.8 (42.0-48.3) 44.5 (41.1-46.6) 46.5 (42.2-49.1) .055
TAPSE, mm 22 (20-24) 22 (19-25) 22 (21-23) .446
RV-GLS total, % −23.5[(−25.7)-( −20.9)] −22.7[(−27.1)-( −19.4)] −23.7[(−25.4)-( −21.7)] .250
RV free wall longitudinal strain, % −28.0[(−31.1)-( −24.0)] −26.2[(−32.0)-( −22.4)] −28.2[(−30.0)-( −25.9)] .288

Continuous variables are presented given as median (interquartile range), and categorical variables were expressed as numbers (%). EDA, end diastolic area; ESA, end systolic area; FAC, fractional area change; GCS, global circumferential strain; GLS, Global longitudinal strain; GRS, global radial strain; LS, layer strain; LV, left ventricle; RV, right ventricle; Sm, peak systolic velocity at myocardial segments; TAPSE, tricuspid annular plane systolic excursion.