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Table 4 Comparison of the Perceptive Need to Orthodontic Treatment (AC) between the KAAU group and PDP group

From: Orthodontic treatment needs in the western region of Saudi Arabia: a research report

Group/Grade KAAU PDP Chi-Square P-value
  % N % N   
No/Slight need (Gr.1–4) 72.7 355 37.41 95 150.222 0.000*
Moderate/Border line (Gr.5–7) 14.3 70 40.55 103 6.295 0.000*
Need treatment (Gr.8–10) 12.9 63 22.04 56 0.412 0.521
Total   488   254   
  1. * Significant at p < 0.001 at 1 d.f.