Dental caries experience, care index and restorative index in children with learning disabilities and children without learning disabilities; a systematic review and meta-analysis

Table 2 DMFT, Care index (CI) and Restorative index (RI) in CLD and CNLD (n = 25 studies; 20 studies with DMFT data and 16 with standard deviations reported). Studies where DMFT data couldn’t be used are shown in learning disability subgroup tables, with reasons why, but are not included in calculations data couldn’t be used are shown, with reasons why, but are not included in calculations. All data were calculated from the primary data reported in Additional file 1: Appendix 2

All learning disability groups (n = 20 studies with DMFT data and 16 with SD data)
Study	Number of participants		Ages	DMFT data
Study	CLD	CNLD	Ages	CLD DMFT (sd)	CNLD DMFT (sd)	CLD CI^a	CNLD CI^a	CLD RI^b	CNLD RI^b
Total for all 3 Groups	1819	2157	1–18
Mean (sd)	72.76 (±47.31)	86.28 (±64.56)		2.31 (±1.97)	2.51 (±2.14)	0.12 (±0.12)	0.18 (±0.27)	0.15 (±0.14)	0.28 (±0.33)

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