Table 2.
Segmental and global longitudinal strain measurements in the case and control groups
| Total | Control (N = 31) |
Rheumatic MS (N = 65) |
Mean Difference | LLCI | ULCI | p value | Cohen’s d |
|
|---|---|---|---|---|---|---|---|---|
| Seg1, Basal anterior | -14.94 (4.58) | -17.16 (2.49) | -13.88 (4.97) | -3.28 | -4.80 | -1.77 | < 0.001 | -0.76 |
| Seg2, Basal anteroseptal | -13.20 (4.13) | -16.90 (2.41) | -11.43 (3.58) | -5.47 | -6.71 | -4.24 | < 0.001 | -1.68 |
| Seg3, Basal inferoseptal | -16.20 (3.25) | -17.90 (2.06) | -15.38 (3.40) | -2.52 | -3.63 | -1.40 | < 0.001 | -0.83 |
| Seg4, Basal inferior | -15.73 (4.40) | -17.59 (3.13) | -14.84 (4.66) | -2.73 | -4.34 | -1.13 | 0.001 | -0.65 |
| Seg5, Basal inferolateral | -16.33 (4.02) | -17.65 (2.97) | -15.70 (4.32) | -1.94 | -3.44 | -0.43 | 0.012 | -0.49 |
| Seg6, Basal anterolateral | -15.10 (4.53) | -18.22 (3.24) | -13.62 (4.31) | -4.61 | -6.18 | -3.04 | < 0.001 | -1.15 |
| Seg7, Mid anterior | -17.30 (5.15) | -18.49 (2.77) | -16.72 (5.89) | -1.76 | -3.52 | -0.01 | 0.049 | -0.34 |
| Seg8, Mid anteroseptal | -17.80 (3.16) | -19.45 (2.39) | -17.02 (3.19) | -2.44 | -3.6 | -1.27 | < 0.001 | -0.82 |
| Seg9, Mid inferoseptal | -19.46 (3.18) | -19.94 (2.34) | -19.23 (3.50) | -0.70 | -1.91 | 0.50 | 0.247 | -0.22 |
| Seg10, Mid inferior | -17.86 (4.30) | -19.74 (2.76) | -16.95 (4.62) | -2.79 | -4.29 | -1.28 | < 0.001 | -0.68 |
| Seg11, Mid inferolateral | -18.80 (4.33) | -19.45 (2.87) | -18.49 (4.87) | -0.96 | -2.54 | 0.62 | 0.230 | -0.22 |
| Seg12, Mid anterolateral | -17.78 (4.37) | -20.65 (2.76) | -16.42 (4.35) | -4.23 | -5.69 | -2.77 | < 0.001 | -1.08 |
| Seg13, Apical anterior | -22.44 (4.62) | -20.90 (2.94) | -23.19 (5.10) | 2.29 | 0.63 | 3.94 | 0.007 | 2.28 |
| Seg14, Apical septal | -22.61 (4.58) | -21.94 (2.98) | -22.94 (5.17) | 1.00 | -0.66 | 2.67 | 0.235 | 0.22 |
| Seg15, Apical inferior | -22.15 (5.01) | -21.97 (3.43) | -22.23 (5.64) | 0.27 | -1.59 | 2.13 | 0.777 | 0.05 |
| Seg16, Apical lateral | -21.72 (4.96) | -22.55 (2.81) | -21.32 (5.70) | -1.23 | -2.98 | 0.51 | 0.165 | -0.25 |
| Seg17, Apex | -22.26 (4.22) | -22.03 (2.99) | -22.37 (4.71) | 0.34 | -1.24 | 1.91 | 0.672 | 0.08 |
| GLS | -18.67 (2.66) | -19.56 (1.60) | -18.25 (2.96) | -1.31 | -2.24 | -0.39 | 0.006 | -0.50 |
GLS = global longitudinal strain; seg = segment; Data are reported as means (standard deviation); LLCI = lower limit of 95% confidence interval; ULCI = upper limit of 95% confidence interval; MS = mitral stenosis