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Table 2 Correlations between lung function and relevant factors, stratified by sex

From: Association between high-density lipoprotein cholesterol level and pulmonary function in healthy Korean adolescents: the JS high school study

Variable

FVC

FEV1

Percent predicted FVC

Percent predicted FEV1

FEV1/FVC, %

r

p

r

p

r

p

r

p

r

p

Men (n = 318)

 Age

0.135

0.016

0.149

0.008

0.193

0.001

0.208

<.001

0.027

0.637

 Body mass index

0.338

<.001

0.203

<.001

0.455

<.001

0.293

<.001

−0.274

<.001

 Systolic blood pressure

0.192

0.001

0.128

0.023

0.219

<.001

0.148

0.008

−0.116

0.039

 Diastolic blood pressure

0.053

0.349

0.015

0.784

−0.013

0.812

−0.063

0.261

−0.058

0.305

 Total cholesterol

−0.049

0.388

−0.044

0.431

−0.084

0.135

−0.070

0.216

−0.021

0.708

 HDL cholesterol

−0.158

0.005

−0.137

0.015

−0.172

0.002

−0.165

0.003

0.037

0.514

 Triglycerides

0.006

0.916

0.013

0.823

−0.005

0.927

0.003

0.955

0.003

0.951

Women (n = 326)

 Age

0.020

0.719

0.028

0.617

0.076

0.174

0.096

0.082

0.028

0.619

 Body mass index

0.220

<.001

0.197

<.001

0.358

<.001

0.301

<.001

−0.011

0.840

 Systolic blood pressure

0.125

0.024

0.111

0.045

0.076

0.170

0.069

0.213

0.029

0.596

 Diastolic blood pressure

−0.039

0.484

−0.046

0.411

−0.063

0.259

−0.055

0.325

−0.008

0.880

 Total cholesterol

−0.068

0.221

−0.039

0.482

−0.018

0.748

0.003

0.961

0.055

0.322

 HDL cholesterol

−0.075

0.180

−0.050

0.375

−0.112

0.044

−0.087

0.121

0.000

0.994

 Triglycerides

0.121

0.030

0.125

0.025

−0.009

0.877

0.030

0.594

0.077

0.167

  1. Abbreviations: HDL high density lipoprotein, FVC forced vital capacity, FEV1 forced expiratory volume in one second