Table 1 Summary of age, gender, skeletal, and Angle classification of subjects.

From: Effect of vibration on orthodontic tooth movement in a double blind prospective randomized controlled trial

Variable

Subject

Age, years

Mean

20.2

Standard deviation

7.0

Maximum

40.4

Minimum

13.5

Gender, no. (%)

Male

4 (16)

Female

21 (84)

Skeletal classification, no. (%)

Class I

10 (40)

Class II

10 (40)

Class III

5 (20)

Angle classification, no. (%)

Angle Cl.I

11 (44)

Angle Cl.II

12 (48)

Angle Cl.III

2 (8)

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