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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%