[Table/Fig-1]:

Incidence of preterm birth in relation to periodontal status in preeclamptic and non–preeclamptic patients.

Periodontal status	Preeclamptic patients			Non–preeclamptic patients
	(Group I)			(Group II)
	No	Preterm birth	%	No	Preterm birth	%
Healthy	28	10	35.7	38	5	13.2
Mild	42	21	50.0	42	7	16.7
Mod/ severe	30	25	83.3	20	5	25.0
Total	100	56	56.0	100	17	17.0

Significance X² = 14.4, p< 0.001, HS X² = 1.31, p = 0.52, NS