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Table 8 dmft, Care index (CI) and Restorative index (RI) in CLD and CNLD (n = 25 studies; 9 studies with dmft and standard deviations reported). Autism 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

Autism (primary teeth; n = 8 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
Al-Maweri 2014 [16] 42 84 5–16 5.23 (2.34) 4.06 (2.98) 0.05 0.10    
Bhandary 2017 [19] 30 30 6–12        No dmft/deft data
Du 2014 [49] 257 257 3–7        No dmft/deft data
El Khatib 2014 [22] 100 100 3–13 3.53 (4.57) 3.56 (3.86)      
Fakroon 2014 [23] 50 50 3–14 1.13 (1.84) 2.85 (3.32) 0.25 0.02 0.25 0.03  
Jaber 2011 [26] 61 61 6–16 0.80 (0.20) 0.30 (0.30)      
Namal 2007 [58] 62 301 7–12        No dmft/deft data
Yashoda 2014 [30] 135 135 4–15 0.40 (2.48) 0.59 (1.28)      
Subgroup Total 737 1018         
Mean (sd) 92.13 (±74.74) 127.25 (±99.65)   2.42 (±1.90) 2.27 (±1.73)