Table 5 Comparison between orthodontists and laypeople in OC detection ability

5° L^a

65 (97.00)

60 (89.55)

2.978

0.084

4° L

60 (89.60)

53 (79.10)

2.767

0.096

3° L

56 (83.60)

24 (35.80)

31.763

0.00***

2° L

46 (68.70)

21 (31.30)

18.657

0.00***

1° L

7 (10.40)

7 (10.40)

0

1

0°

2 (3.00)

4 (6.00)

0.698

0.403

1° R^b

9 (13.40)

8 (11.90)

0.067

0.795

2° R

55 (82.10)

23 (34.30)

31.414

0.00***

3° R

60 (89.60)

24 (35.80)

41.349

0.00***

4° R

60 (89.60)

56 (83.60)

1.027

0.311

5° R

65 (97.00)

64 (95.50)

0.208

0.649