Table 3.

Multiple linear regression analysis to predict porphyromonas gingivalis load in umbilical cord blood with porphyromonas gingivalis in plaque, probing pocket depth and clinical attachment level in two groups

Group	Model	Variables	Unstandardized coefficients	t	P
			B
Full term	1	Constant	0.71	0.47	0.64
		P. gingivalis plaque	−0.01	−0.596	0.554
		PPD	0.12	0.288	0.775
		CAL	−0.49	−0.688	0.494
Preterm	1	Constant	−39.54	−3.128	0.003*
		P. gingivalis plaque	0.22	2.104	0.03*
		PPD	21.14	3.656	0.001*
		CAL	13.09	2.616	0.01*

*P<0.05-statistically significant. n – number; t – t value; PD – Pocket depth; PPD – Probing PD; CAL – Clinical attachment level; P. gingivalis – Porphyromonas gingivalis