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Table 5 Reproducibility of segmental strains (RS, CS and LS) using two methods (DRA and FT) in controls and iLVNC patients

From: Quantification of myocardial strain in patients with isolated left ventricular non-compaction and healthy subjects using deformable registration algorithm: comparison with feature tracking

Segment   Controls iLVNC
DRA FT DRA FT
RS CS LS RS CS LS RS CS LS RS CS LS
1 inter 0.984a 0.866a 0.714 0.266 0.747 0.702 0.720 0.704 0.951a 0.312 0.704 0.886a
intra 0.984a 0.919a 0.991a 0.629 0.782a 0.744 0.978a 0.959a 0.939a 0.265 0.578 0.919a
2 inter 0.713 0.870a 0.989a 0.448 0.600 0.804a 0.979a 0.746 0.993a 0.561 0.746 0.532
intra 0.804a 0.902a 0.996a 0.752a 0.661 0.820a 0.936a 0.794a 0.996a 0.233 0.649 0.891a
3 inter 0.984a 0.933a 0.922a 0.709 0.612 0.771a 0.730 0.823a 0.969a 0.619 0.823a 0.853a
intra 0.989a 0.989a 0.936a 0.802a 0.766a 0.806a 0.932a 0.962a 0.984a 0.618 0.821a 0.745
4 inter 0.706 0.909a 0.940a 0.369 0.786a 0.578 0.912a 0.860a 0.979a 0.718 0.860a 0.946a
intra 0.740 0.951a 0.971a 0.683 0.904a 0.694 0.996a 0.989a 0.978a 0.876a 0.805a 0.916a
5 inter 0.686 0.910a 0.924a 0.174 0.771a 0.809a 0.913a 0.427 0.970a 0.775a 0.427 0.923a
intra 0.739 0.920a 0.958a 0.435 0.800a 0.841a 0.998a 0.993a 0.965a 0.503 0.389 0.560
6 inter 0.880a 0.915a 0.962a 0.164 0.861a 0.935a 0.883a 0.274 0.914a 0.423 0.274 0.854a
intra 0.892a 0.922a 0.989a 0.337 0.893a 0.956a 0.996a 0.858a 0.982a 0.173 0.338 0.688
7 inter 0.967a 0.956a 0.976a 0.337 0.809a 0.761a 0.951a 0.914a 0.955a 0.576 0.914a 0.934a
intra 0.980a 0.979a 0.981a 0.403 0.881a 0.798a 0.998a 0.982a 0.978a 0.491 0.894a 0.868a
8 inter 0.915a 0.827a 0.784a 0.133 0.554 0.681 0.929a 0.883a 0.964a 0.074 0.883a 0.543
intra 0.936a 0.868a 0.680 0.303 0.656 0.752a 0.994a 0.528 0.956a 0.428 0.627 0.854a
9 inter 0.740 0.978a 0.980a 0.049 0.850a 0.558 0.695 0.979a 0.988a 0.742 0.979a 0.901a
intra 0.735 0.975a 0.976a 0.509 0.875a 0.776a 0.823a 0.982a 0.991a 0.756a 0.943a 0.898a
10 inter 0.939a 0.774a 0.955a 0.100 0.643 0.827a 0.948a 0.923a 0.981a 0.328 0.923a 0.949a
intra 0.951a 0.843a 0.945a 0.098 0.678 0.850a 0.964a 0.977a 0.921a 0.475 0.823a 0.920a
11 inter 0.839a 0.910a 0.982a 0.292 0.716 0.856a 0.980a 0.916a 0.978a 0.733 0.916a 0.956a
intra 0.842a 0.945a 0.980a 0.294 0.718 0.896a 0.992a 0.985a 0.989a 0.689 0.711 0.759a
12 inter 0.976a 0.794a 0.985a 0.144 0.580 0.691 0.934a 0.944a 0.976a 0.658 0.944a 0.867a
intra 0.981a 0.867a 0.989a 0.310 0.586 0.710 0.994a 0.963a 0.994a 0.708 0.892a 0.723
13 inter 0.980a 0.830a 0.991a 0.334 0.890a 0.893a 0.579 0.784a 0.994a 0.426 0.784a 0.908a
intra 0.981a 0.861a 0.991a 0.367 0.912a 0.898a 0.988a 0.975a 0.995a 0.541 0.819a 0.959a
14 inter 0.977a 0.957a 0.975a 0.189 0.909a 0.649 0.848a 0.660 0.986a 0.418 0.660 0.953a
intra 0.989a 0.958a 0.984a 0.335 0.928a 0.685 0.995a 0.447 0.961a 0.563 0.887a 0.834a
15 inter 0.739 0.942a 0.975a 0.051 0.838a 0.816a 0.804a 0.931a 0.964a 0.352 0.931a 0.840a
intra 0.791a 0.951a 0.992a 0.095 0.868a 0.906a 0.984a 0.960a 0.993a 0.638 0.936a 0.682
16 inter 0.786a 0.796a 0.951a 0.008 0.812a 0.885a 0.951a 0.938a 0.997a 0.426 0.938a 0.954a
intra 0.808a 0.846a 0.965a 0.024 0.908a 0.886a 0.998a 0.325 0.989a 0.552 0.881a 0.935a
  1. intra Intra-observer agreement, inter Inter-observer agreement
  2. a Intraclass correlation coefficient>75%