Table 2. Pair-wise comparison of changes in strain of global and various segments of the left ventricle before and after chemotherapy .
| Before chemotherapy | After chemotherapy | Mean ± STDEV changes | 95% Confidence interval | t value | P value | |||
| Lower | Upper | |||||||
| Global strain | -19.1 ± 3.3 | -18.5 ± 3.6 | -0.63 | 2.93 | -1.37 | 0.10 | -1.72 | 0.091 |
| Apical cap | -19.7 ± 5.9 | - 19.5 ± 6.1 | -0.22 | 5.17 | -1.52 | 1.08 | -0.34 | 0.734 |
| Apical septal | -20.8 ± 6.3 | -20.5 ± 6.0 | -0.22 | 5.51 | -1.61 | 1.16 | -0.32 | 0.750 |
| Apical anterior | -19.1 ± 7.3 | - 19.1 ± 6.8 | 0.03 | 8.08 | -2.00 | 2.07 | 0.03 | 0.975 |
| Apical lateral | -18.7 ± 6.6 | -18.1 ± 6.2 | -0.60 | 5.89 | -2.09 | 0.88 | -0.81 | 0.420 |
| Apical inferior | -21.2 ± 5.6 | -20.1 ± 6.9 | -1.02 | 5.51 | -2.40 | 0.37 | -1.46 | 0.148 |
| Mid anteroseptal | -18.6 ± 5.9 | -17.3 ± 6.1 | -1.33 | 5.72 | -2.77 | 0.11 | -1.85 | 0.069 |
| Mid anterior | -17.8 ± 7.9 | -15.9 ± 10.7 | -1.86 | 10.13 | -4.41 | 0.70 | -1.45 | 0.151 |
| Mid anterolateral | -17.2 ± 7.4 | -18.2 ± 6.3 | 0.92 | 6.51 | -0.72 | 2.56 | 1.12 | 0.266 |
| Mid inferolateral | -17.1 ± 5.8 | -16.4 ± 7.3 | -0.67 | 7.97 | -2.67 | 1.34 | -0.66 | 0.509 |
| Mid Inferior | -18.0 ± 6.1 | -16.8 ± 7.4 | -1.16 | 8.72 | -3.36 | 1.04 | -1.05 | 0.296 |
| Mid inferoseptal | -19.7± 6.3 | -19.2 ± 6.1 | -0.51 | 6.10 | -2.04 | 1.03 | -0.66 | 0.511 |
| Basal anteroseptal | -16.2 ± 5.4 | -13.5 ± 9.0 | -2.70 | 8.42 | -4.82 | -0.58 | -2.54 | 0.013 |
| Basal anterior | -16.1 ± 8.9 | -14.5 ± 10.4 | -1.62 | 9.99 | -4.13 | 0.90 | -1.29 | 0.203 |
| Basal anterolateral | -18.3 ± 8.5 | -17.5 ± 10.1 | -0.78 | 9.55 | -3.18 | 1.63 | -0.65 | 0.520 |
| Basal inferior | -18.2 ± 9.4 | -16.3 ± 10.7 | -2.14 | 11.85 | -5.13 | 0.84 | -1.44 | 0.156 |
| Basal inferolateral | -17.3 + 8.5 | -15.1 ± 10.5 | -1.98 | 11.55 | -4.89 | 0.92 | -1.36 | 0.178 |
| Basal inferoseptal | -17.9 ± 6.8 | -16.6 ± 9.6 | -1.37 | 8.47 | -3.50 | 0.77 | -1.28 | 0.206 |