Table 3 Normative need (IOTN DHC) and ethnicity
From: Ethnic variations in orthodontic treatment need in London schoolchildren
Treatment need | IOTN DHC | White | Black | Indian | Chinese | Mixed (others) |
|---|---|---|---|---|---|---|
No need for treatment | 1–2 | 878 (69.0) | 213 (72.9) | 365 (65.2) | 54 (62.1) | 94 (69.6) |
Moderate/Borderline need | 3 | 208 (16.4) | 40 (18.6) | 104 (18.6) | 19 (21.8) | 25 (18.5) |
Need for treatment | 4–5 | 186 (14.6) | 39 (13.4) | 91 (16.3) | 14 (16.1) | 16 (11.9) |
Total | Â | 1272 (100.0) | 292 (100.0) | 560 (100.0) | 87 (100.0) | 135 (100.0) |