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Egyptian Journal of Forensic Sciences

Table 5 The regression equations derived using the age as the dependent variable and the CTR as the independent variable

From: Does the crypt: tooth ratio in the developing tooth correlate with chronological age in children?—a novel, radiographic, cross-sectional pilot study using ImageJ tools

Subjects

n

Regression equations

r2

SEE

Sig.

Boys

72

1. Age = 17.894–4.166 (CTR)

0.839

1.285

0.000

Girls

73

2. Age = 16.646–3.611 (CTR)

0.785

1.463

0.000

Overall

145

3. Age = 17.192–3.855 (CTR)

0.807

1.385

0.000

  1. *Significant at p<0.05. SEE standard error of the estimate; CTR crypt to tooth ratio
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