Table 5 The signal-level evaluation of mean square error (MSE) and Pearson correlation coefficient (PCC) between the generated and real 12-lead ECG in the internal testing set, PTB-XL

I

0.0032

0.0095

0.0120

0.0032

0.0055

0.0101

0.0149

0.0466

0.0444

0.0293

0.0193

0.0140

0.0177

II

0.0074

0.0035

0.0112

0.0029

0.0087

0.0054

0.0166

0.0484

0.0480

0.0297

0.0183

0.0132

0.0178

III

0.0069

0.0075

0.0065

0.0056

0.0050

0.0052

0.0171

0.0497

0.0530

0.0381

0.0247

0.0167

0.0197

aVR

0.0052

0.0056

0.0162

0.0018

0.0089

0.0093

0.0150

0.0460

0.0440

0.0270

0.0158

0.0116

0.0172

aVL

0.0046

0.0090

0.0078

0.0049

0.0040

0.0072

0.0160

0.0472

0.0482

0.0343

0.0228

0.0157

0.0185

aVF

0.0077

0.0048

0.0077

0.0045

0.0067

0.0042

0.0170

0.0496

0.0514

0.0346

0.0220

0.0153

0.0188

V1

0.0072

0.0098

0.0173

0.0047

0.0093

0.0113

0.0092

0.0371

0.0464

0.0368

0.0231

0.0153

0.0190

V2

0.0085

0.0103

0.0169

0.0055

0.0100

0.0113

0.0131

0.0206

0.0288

0.0336

0.0258

0.0174

0.0168

V3

0.0080

0.0103

0.0179

0.0052

0.0099

0.0116

0.0152

0.0304

0.0172

0.0229

0.0221

0.0166

0.0156

V4

0.0074

0.0089

0.0162

0.0044

0.0096

0.0104

0.0166

0.0419

0.0293

0.0127

0.0151

0.0140

0.0156

V5

0.0067

0.0075

0.0160

0.0035

0.0093

0.0096

0.0162

0.0464

0.0402

0.0195

0.0094

0.0103

0.0162

V6

0.0065

0.0071

0.0160

0.0033

0.0092

0.0093

0.0155

0.0474

0.0452

0.0247

0.0123

0.0081

0.0171

Mean

0.0066

0.0078

0.0135

0.0041

0.0080

0.0087

0.0152

0.0426

0.0413

0.0286

0.0192

0.0140

0.0175

I

0.9880

0.7719

0.5516

0.9222

0.8357

0.5436

0.8400

0.7413

0.7410

0.8195

0.8604

0.8720

0.7906

II

0.8389

0.9870

0.6201

0.9343

0.6236

0.8670

0.8113

0.7212

0.7117

0.8219

0.8768

0.8920

0.8088

III

0.8438

0.8174

0.9778

0.8203

0.8808

0.8814

0.7995

0.7090

0.6621

0.7389

0.7965

0.8203

0.8123

aVR

0.9131

0.9030

0.3281

0.9885

0.6174

0.6038

0.8406

0.7418

0.7472

0.8443

0.9026

0.9176

0.7790

aVL

0.9249

0.7711

0.8622

0.8483

0.9763

0.7171

0.8204

0.7343

0.7037

0.7709

0.8178

0.8361

0.8152

aVF

0.8231

0.9245

0.8697

0.8637

0.7453

0.9783

0.8003

0.7083

0.6763

0.7710

0.8282

0.8486

0.8198

V1

0.8353

0.7498

0.2492

0.8562

0.5706

0.4704

0.9798

0.8071

0.7012

0.7482

0.8113

0.8406

0.7183

V2

0.8040

0.7300

0.2865

0.8249

0.5582

0.4720

0.8810

0.9830

0.8666

0.7785

0.7867

0.8070

0.7315

V3

0.8152

0.7365

0.2303

0.8351

0.5469

0.4682

0.8358

0.8842

0.9866

0.8824

0.8313

0.8251

0.7398

V4

0.8364

0.7881

0.3247

0.8698

0.5579

0.5469

0.8092

0.7784

0.8703

0.9872

0.9157

0.8752

0.7633

V5

0.8624

0.8344

0.3373

0.9096

0.5790

0.5879

0.8183

0.7408

0.7796

0.9199

0.9865

0.9471

0.7752

V6

0.8685

0.8490

0.3353

0.9202

0.5852

0.6041

0.8324

0.7329

0.7397

0.8707

0.9509

0.9871

0.7730

Mean

0.8628

0.8219

0.4977

0.8828

0.6731

0.6451

0.8391

0.7735

0.7655

0.8294

0.8637

0.8724

0.7772