Table 2.

Dental caries status and DMFT/dmft data using Random Effect Meta-Analysis.

Dental caries index	Number of studies	Prevalence %	Confidence interval 95% (CI%95)	Heterogeneity index I2 (%)
Dental caries
Total	54	72.8	69.2- 76.4	99.1%
Boys	22	75.3	70.6- 80	97.55%
Girls	22	74.9	70.3 – 79.5	97.7%
DT	13	59.0	44.0 – 73.0	99.7%
MT	10	6.0	4.0 – 8.0	92.3%
FT	10	21.0	12.0 – 30.0	99.1%
dt	7	70.0	53.0 – 87.0	99.6%
mt	6	0.9	4.0 – 13.0	96.4%
ft	7	14.0	9.0 – 18.0	89.4%
CF
Total	54	27.2	23.5-30.8	99.1%
Boys	23	24.33	19.8-28.9	97.5%
Gils	23	26.0	21.0-30.0	97.8%
The mean dmft\DMFT
	Number of studies	Mean	(95% CI)	I2 (%)
DMFT
Total	48	2.33	2.12 – 2.54	99.7%
Boys	29	1.97	1.75 – 2.19	99.7%
Gils	29	1.94	1.71 – 2.16	99.5%
Urban	5	1.89	1.21 – 2.57	99.8%
Rural	5	2.35	1.46 – 3.24	99.8%
DT
Total	22	1.95	1.59 – 2.31	99.7%
Boys	8	1.40	0.91 – 1.88	99.7%
Gils	8	1.48	0.96 – 2.0	95.5%
MT
Total	18	0.20	0.15 – 0.25	99.55%
Boys	8	0.13	0.03 – 0.23	99.7%
Gils	8	0.11	0.03 – 0.18	99.8%
FT
Total	17	0.32	0.26 – 0.38	99.4%
Boys	8	0.23	0.17 – 30.0	97.4%
Gils	8	0.38	0.26 – 0.50	99%
dmft
Total	30	3.86	3.49 – 4.22	99.5%
Boys	19	3.72	3.35 – 4.09	98.7%
Gils	19	3.54	2.86 – 4.23	99.8%
Urban	4	4.25	3.88 – 4.62	89.4%
Rural	4	4.98	4.45 – 5.51	95.24%
dt
Total	11	3.49	2.87 – 4.11	99.3%
Boys	8	2.54	1.79 – 3.30	98.9%
Gils	8	2.50	2.09 – 2.91	99.9%
mt
Total	9	0.50	0.30 – 0.69	98.7%
Boys	8	0.39	0.22 – 0.57	99.6%
Gils	8	0.33	0.17 – 0.49	99.6%
ft
Total	9	0.67	0.50 – 0.84	99.0%
Boys	8	0.36	0.25 – 0.47	96.9%
Gils	8	0.50	0.32 – 0.68	98.5%
SiC
Total	8	6.88	5.34 – 8.52	99.9%
Boys	3	7.65	5.20 – 10.10	99.7%
Gils	3	7.48	4.86 – 10.10	99.8%