Table 3.

Association of age and duration of edentulousness with systemic diseases among the study sample (n = 384)

Variables	Systemic disease (+) (mean ± sd) N = 137	Systemic disease (-) (mean ± sd) N = 247	Mean Diff.	95% CI of mean diff.		P value
				Lower	Upper
Age	59.90 ± 12.07	47.23 ± 13.31	12.67	9.97	15.37	< 0.001*
Duration	07.02 ± 6.86	0.061 + 0.72	6.96	6.09	7.83	< 0.001*

*Statistically significant