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Table 2 Pearson correlation coefficients. Relationship between TIME and TINE and motor/respiratory clinical measures (assessment 1). Significance level: alpha< 0.050

From: Timed immersion expiration measures in patients with muscular dystrophies

DMD

 

Age

Vignos

MFM

TIME

TINE

FVC sitting

FVC supine

PEF sitting

PEF supine

Age

R

 

0.184

-0.211

-0.079

0.131

-0.436

-0.460

0.148

0.081

P

 

0.267

0.202

0.634

0.433

0.006

0.004

0.373

0.625

Vignos

R

0.184

 

-0.804

-0.217

-0.303

-0.592

-0.621

-0.322

-0.358

P

0.267

 

0.001

0.190

0.064

0.001

0.001

0.048

0.027

MFM

R

-0.211

-0.804

 

0.231

0.257

0.623

0.621

0.324

0.344

P

0.202

0.001

 

0.162

0.119

0.001

0.001

0.047

0.034

TIME

R

-0.079

-0.217

0.231

 

0.840

0.263

0.269

0.221

0.234

P

0.634

0.190

0.162

 

0.001

0.110

0.102

0.181

0.156

TINE

R

0.131

-0.303

0.257

0.840

 

0.217

0.216

0.247

0.240

P

0.433

0.064

0.119

0.001

 

0.190

0.192

0.134

0.145

FVC sitting

R

-0.436

-0.592

0.623

0.263

0.217

 

0.989

0.634

0.644

P

0.006

0.001

0.001

0.110

0.190

 

0.001

0.001

0.001

FVC supine

R

-0.460

-0.621

0.621

0.269

0.216

0.989

 

0.601

0.616

P

0.004

0.001

0.001

0.102

0.192

0.001

 

0.001

0.001

PEF sitting

R

0.148

-0.322

0.324

0.221

0.247

0.634

0.601

 

0.977

P

0.373

0.048

0.047

0.181

0.134

0.001

0.001

 

0.001

PEF supine

R

0.081

-0.358

0.344

0.234

0.240

0.644

0.616

0.977

 

P

0.625

0.027

0.034

0.156

0.145

0.001

0.001

0.001

 

LGMD

 

Age

Vignos

MFM

TIME

TINE

FVC sitting

FVC supine

PEF sitting

PEF supine

Age

R

 

-0.215

-0.058

0.085

0.129

-0.036

-0.117

0.175

0.176

P

 

0.423

0.829

0.753

0.634

0.892

0.665

0.516

0.514

Vignos

R

-0.215

 

-0.823

-0.238

0.186

-0.580

-0.599

-0.364

-0.320

P

0.423

 

0.001

0.375

0.490

0.018

0.014

0.165

0.227

MFM

R

-0.058

-0.823

 

0.331

-0.127

0.688

0.750

0.499

0.467

P

0.829

0.001

 

0.209

0.638

0.003

0.001

0.049

0.068

TIME

R

0.085

-0.238

0.331

 

0.559

0.383

0.388

0.282

0.224

P

0.753

0.375

0.209

 

0.024

0.142

0.137

0.290

0.402

TINE

R

0.129

0.186

-0.127

0.559

 

0.215

0.204

0.232

0.238

P

0.634

0.490

0.638

0.024

 

0.423

0.447

0.387

0.373

FVC sitting

R

-0.036

-0.580

0.688

0.383

0.215

 

0.933

0.668

0.602

P

0.892

0.018

0.003

0.142

0.423

 

0.001

0.005

0.013

FVC supine

R

-0.117

-0.599

0.750

0.388

0.204

0.933

 

0.743

0.717

P

0.665

0.014

0.001

0.137

0.447

0.001

 

0.001

0.002

PEF sitting

R

0.175

-0.364

0.499

0.282

0.232

0.668

0.743

 

0.971

P

0.516

0.165

0.049

0.290

0.387

0.005

0.001

 

0.001

PEF supine

R

0.176

-0.320

0.467

0.224

0.238

0.602

0.717

0.971

 

P

0.514

0.227

0.068

0.402

0.373

0.013

0.002

0.001

 
  1. Legend: MFM Motor Function Measure; TIME timed immersion mouth expiration; TINE timed immersion nose expiration; FVC forced vital capacity; PEF peak expiratory flow; DMD Duchenne muscular dystrophy; LGMD limb-girdle muscular dystrophy