Table 1 Regression coefficient and diagnostic results.

From: Age related changes of rib cortical bone matrix and the application to forensic age-at-death estimation

 

(E1)

(E2)

(E3)

Po.Ar%

6.001***

6.120***

 

HIT

− 0.446***

− 0.858***

 

CIT

3.825***

  

OnEIT

1.222**

1.683**

 

HV

 

0.531*

 

OnOnIT

2.523***

1.946**

 

OnHV

0.624***

0.466**

 

Ash%

  

4.697***

CΔH

− 0.005***

 

− 0.012***

CC

  

204.382***

CL030

5.450***

 

8.938***

'a'axis

− 369.968

  

'c'axis

597.609***

  

CL004

  

− 3.455***

Constant

− 759.525

− 62.45***

− 249.937***

Observations

113

113

113

R2

0.863

0.845

0.315

Adjusted R2

0.850

0.836

0.283

Residual Std. Error

6.453 (df = 102)

6.737 (df = 106)

14.101 (df = 107)

F Statistic

64.425***(df = 10; 102)

96.441***(df = 6; 106)

9.860***(df = 5; 107)

Akaike Inf. Crit

754.5063

760.5891

926.564

Bayesian Inf. Crit

787.235

782.4082

945.6557

  1. Stepwise regression based on the full set of parameters (E1), only nanoindentation (E2) and physicochemical modifications (E3) (*p < 0.01; **p < 0.05; ***p < 0.001).
Back to article page