Table 3 Correlation between IOS parameters and both age and anthropometric measures among boys

Fres

r^a

− 0.502

− 0.252

− 0.214

0.007

P value

< 0.001 ‡

0.043 †

0.087

0.955

AX

r

− 0.709

− 0.478

− 0.583

0.030

P value

< 0.001 ‡

< 0.001 ‡

< 0.001 ‡

0.815

R5 Hz

r

− 0.671

− 0.565

− 0.678

0.023

P value

< 0.001 ‡

< 0.001 ‡

< 0.001 ‡

0.854

R20 Hz

r

− 0.573

− 0.551

− 0.613

0.018

P value

< 0.001 ‡

< 0.001 ‡

< 0.001 ‡

0.887

X5 Hz

r

0.632

0.490

0.563

− 0.091

P value

< 0.001 ‡

< 0.001 ‡

< 0.001 ‡

0.472

Z5 Hz

r

− 0.702

− 0.593

− 0.700

0.036

P value

< 0.001 ‡

< 0.001 ‡

< 0.001 ‡

0.777