Table 2.

Pooled Prevalence of periodontal diseases.

Events		Variables	No. of studies	Total Sample (N)	No. participants with events (n)	Pooled Prevalence (%)	95% Confidence Intervals
							Lower limit	Upper Limit
Gingivitis		Male	8	30858	23003	75.0	74.6	75.5
		Female	8	27861	21289	77.3	76.8	77.7
		<35 years	13	18364	13860	52.9	36.4	69.1
		35–65 years	19	28971	18161	39.4	29.0	50.4
		>65 years	14	16705	7390	32.9	24.6	41.9
		Tribal	4	2599	1268	46.5	26.0	67.6
		Rural	11	6387	2539	44.6	28.6	61.1
		Urban	1	216	138	63.9	57.4	70.2
		Unspecified	7	57490	37103	51.9	38.9	64.8
		Total	21	66368	40843	46.6	37.8	55.5
Periodontal disease		Male	9	31030	13202	42.2	20.3	65.8
		Female	9	28045	11586	34.4	12.4	60.2
		<35 years	13	18364	3600	34.5	21.4	48.8
		35–65 years	19	28971	11319	57.4	47.3	67.2
		>65 years	15	17153	9047	63.6	51.3	75.1
		Tribal	4	2599	1115	47.2	29.0	65.7
		Rural	11	6387	3361	48.9	32.9	65.1
		Urban	1	216	113	36.2	9.4	67.8
		Unspecified	9	58938	20831	44.8	33.6	56.2
		Total	24	68140	25539	51.0	41.9	60.1