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Table 1 Comparisons between the chronological age and the estimated age by original Demirjian and Nolla methods, for males and females

From: The accuracy of estimating chronological age from Demirjian and Nolla methods in a Portuguese and Spanish sample

 

Males

Females

 

Min

Max

M

SD

Min

Max

M

SD

Age

        

Chronological (months)

54

203

132.62

35.55

42

203

132.10

35.70

Demirjian estimation

70

192

141.05

34.32

60

192

143.80

33.34

Nolla estimation

53

204

126.84

33.95

41

192

125.21

34.31

 

Difference between means

SE

Λ Wilks

F (2, 354)

Difference between means

SE

Λ Wilks

F (2, 354)

Comparisons

        

Chronological vs. Demirjian

−8.43***

0.80

0.40

261.18***

−11.70***

0.80

0.29

400.35***

Chonological vs. Nolla

5.78***

0.78

  

6.89***

0.81

  

Demirjian vs. Nolla

14.21***

0.62

  

18.59***

0.66

  
  1. ***p < .001.