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Table 9 dmft, Care index (CI) and Restorative index (RI) in CLD and CNLD (n = 25 studies; 9 studies with dmft and standard deviations reported). Mixed learning disabilities subgroup. Studies where dmft data couldn’t be used are shown in learning disability subgroup tables, with reasons why, but are not included in calculations. All data were calculated from the primary data reported in Additional file 1: Appendix 2

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

Mixed Learning Disability Groups (primary teeth; n = 6 studies)
Study Number of participants Ages dmft/deft data
CLD CNLD CLD dmft / deft (sd) CNLD dmft / deft (sd) CLD CI CNLD CI CLD RI CNLD RI Reason no DMFT data included
Bakry 2012 [64, 66] 33 53 3–13      0.05 0.04 No dmft/deft data
Forsberg 1985 [24] 100 103 3–11 2.00 (2.90) 3.30 (2.80)      
Jokic 2007 [59] 80 80 3–17        No dmft/deft data
Moreina 2012 [28] 76 89 mean 8.9        No dmft/deft data
Palin 1982 [60] 58 58 9–10        No dmft/deft data
Pope 1991 [62] 50 95 3–18        No dmft/deft data
Subgroup Total 397 478         
Mean (sd) 66.17 (±23.92) 79.67 (±20.24)   2.00 3.30