General correlation between neonatal factors, primary and permanent tooth eruption and their interrelation in a population in german orthodontic practices

Table 3 Correlations between the first primary and permanent tooth eruption depending on gender

First tooth eruption	Birth parameters	Number of pairs	Pearson´s Rank Correlation (r)	95% confidence interval	P value
Primary vs. permanent dentition	Female	182	0.30	0.16 to 0.43	< 0.001*
Primary vs. permanent dentition	Male	142	0.22	0.059 to 0.37	0.008*

ISSN: 1472-6831