Variable | Controls (n = 20) | All Patients (n = 40) | P Value | Baseline | Follow-up | Baseline versus Follow-up | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Responders (n = 27) | Non-responders (n = 13) | P Value | Responders (n = 27) | Non-Responders (n = 13) | P Value | P Value Responders | P Value Non-responders | ||||
Segmental peak strain | |||||||||||
MidLateral PSPeak | −38.6 ± 11.5 | −14.7 ± 7.3 | .000 | −17.1 ± 7 | −10.1 ± 5.7 | .005 | −20.8 ± 6.6 | −13.2 ± 5.8 | .002 | .030 | .239 |
MidSeptal PSPeak | −51.6 ± 10.1 | −12.5 ± 8 | .000 | −13 ± 8.8 | −11.6 ± 6.5 | .635 | −22 ± 11 | − 12.4 ± 7.8 | .011 | .001 | .779 |
Characteristics of strain-volume loops | |||||||||||
Global PS-Global volume loop | |||||||||||
slope | 1.08 ± 0.35 | 0.26 ± 0.11 | .000 | 0.29 ± 0.11 | 0.21 ± 0.1 | .062 | 0.43 ± 0.19 | 0.23 ± 0.1 | .002 | .001 | .437 |
R2-S/D coupling | 0.99 ± 0.01 | 0.97 ± 0.05 | .016 | 0.97 ± 0.05 | 0.96 ± 0.06 | .441 | 0.99 ± 0.02 | 0.98 ± 0.02 | .765 | .055 | .100 |
Segmental PS-Global volume loop | |||||||||||
MidLateral PS-Global volume loop | |||||||||||
slope | 1.06 ± 0.4 | 0.32 ± 0.18 | .000 | 0.38 ± 0.17 | 0.19 ± 0.12 | .001 | 0.45 ± 0.22 | 0.23 ± 0.11 | .003 | .172 | .235 |
R2-S/D coupling | 0.91 ± 0.08 | 0.79 ± 0.27 | .019 | 0.84 ± 0.22 | 0.69 ± 0.34 | .180 | 0.85 ± 0.15 | 0.83 ± 0.25 | .839 | .920 | .262 |
MidSeptal PS-Global volume loop | |||||||||||
slope | 1.46 ± 0.57 | 0.19 ± 0.24 | .000 | 0.2 ± 0.2 | 0.18 ± 0.3 | .782 | 0.48 ± 0.34 | 0.21 ± 0.18 | .004 | .001 | .717 |
R2-S/D coupling | 0.93 ± 0.04 | 0.54 ± 0.37 | .000 | 0.44 ± 0.39 | 0.73 ± 0.26 | .014 | 0.71 ± 0.29 | 0.66 ± 0.34 | .680 | .002 | .636 |
Segmental PS-Segmental volume loop | |||||||||||
MidLateral PS-MidLateral volume loop | |||||||||||
slope | 18.66 ± 7.41 | 3.85 ± 1.81 | .000 | 4.39 ± 1.78 | 2.82 ± 1.44 | .013 | 6.11 ± 2.88 | 3.21 ± 1.52 | .000 | .004 | .184 |
R2-S/D coupling | 0.97 ± 0.04 | 0.93 ± 0.11 | .149 | 0.95 ± 0.09 | 0.89 ± 0.15 | .119 | 0.95 ± 0.08 | 0.89 ± 0.18 | .194 | .864 | .991 |
MidSeptal PS-MidSeptal volume loop | |||||||||||
slope | 28.26 ± 10.34 | 6.05 ± 3.1 | .000 | 6.67 ± 3.44 | 4.85 ± 1.93 | .099 | 10.8 ± 7.22 | 4.83 ± 2.83 | .002 | .005 | .987 |
R2-S/D coupling | 0.96 ± 0.06 | 0.91 ± 0.1 | .052 | 0.89 ± 0.12 | 0.94 ± 0.06 | .108 | 0.93 ± 0.13 | 0.81 ± 0.33 | .269 | .353 | .215 |