Table 7 E comparison among different locations.

From: Application of nanoindentation technology in testing the mechanical properties of skull materials

Age (years)

Layers

LA

Mean

LB

MD (LA-LB)

P value

0.0047

O

LF

10.720

CS

6.570*

 < 0.001

 

CS

4.150

LF

− 6.570*

 < 0.001

D

LF

13.463

CS

2.928*

 = 0.015

 

CS

10.534

LF

− 2.928*

 = 0.015

I

LF

9.294

CS

6.472*

 < 0.001

 

CS

2.822

LF

− 6.472*

 < 0.001

3

O

LF

8.336

CS

0.269

 = 0.764

 

CS

8.067

LF

− 0.269

 = 0.764

D

LF

2.671

CS

− 4.068*

 = 0.001

 

CS

6.739

LF

4.068*

 = 0.001

I

LF

8.009

CS

− 3.880*

 < 0.001

 

CS

11.889

LF

3.880*

 < 0.001

8

O

LF

9.654

CS

2.600*

 = 0.004

 

CS

7.054

LF

− 2.600*

 = 0.004

D

LF

11.774

CS

3.278*

 = 0.007

 

CS

8.496

LF

− 3.278*

 = 0.007

I

LF

7.772

CS

− 0.135

 = 0.880

 

CS

7.907

LF

0.135

 = 0.880

51

O

LF

14.230

CS

0.027

 = 0.976

 

CS

14.203

LF

− 0.027

 = 0.976

D

LF

17.306

CS

4.715*

 < 0.001

 

CS

12.591

LF

− 4.715*

 < 0.001

I

LF

12.017

CS

− 1.738

 = 0.053

 

CS

13.755

LF

1.738

 = 0.053

77

O

LF

13.901

CS

2.220*

 = 0.014

 

CS

11.681

LF

− 2.220*

 = 0.014

D

LF

16.725

CS

2.378*

 = 0.049

 

CS

14.347

LF

− 2.378*

 = 0.049

I

LF

11.987222

CS

− 0.815

 = 0.363

 

CS

12.801889

LF

0.815

 = 0.363

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