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Table 1 Demographic characteristics of the subjects and prevalence of maxillary dental developmental abnormalities in the three study groups

From: Association of maxillary dental developmental abnormality with precocious puberty: a case-control study

No.

Control group

n = 95

CPP group

n = 52

PPP group

n = 23

P

Female (%)

109 (55.9 %)

47 (90.38 %)

23 (100 %)

<.001a (Control vs CPP, PPP)

Age (year)

 Pediatric evaluation

10.5 ± 2.9

8.3 ± 0.5

8.0 ± 1.1

<.001b (Control vs CPP)

.023b (Control vs PPP)

 Dental evaluation

12.0 ± 4.4

8.9 ± 2.3

9.6 ± 3.3

<.001b (Control vs CPP, PPP)

Prevalence

 Maxillary DDAs

43 (22.05 %)

26 (50.00 %)

5 (21.74 %)

<.001a (Control vs CPP)

1.000a (Control vs PPP)

<.029a (CPP vs PPP)

  Mesiodens

26 (13.33 %)

22 (42.31 %)

5 (21.74 %)

<.001a (Control vs CPP) .732a (Control vs PPP)

<.049a (CPP vs CPP)

  Except mesiodens

17 (8.71 %)

4 (7.69 %)

0

0.317c

  1. Abbreviations: CPP central precocious puberty, DDAs dental developmental abnormalities, PPP peripheral precocious puberty
  2. aPost hoc analysis after chi-square test
  3. bPost hoc analysis after ANOVA
  4. cFisher exact test compared with control group