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Table 2 Frequency distribution of the study participants based on chronological age and sex (n = 671)

From: Determination of age reference standards based on mandibular third molar root development in a Ugandan population aged 10–22 years

Age (years)

Females, n (%)

Males, n (%)

All, n (%)

10

6 (100.0)

0 (0.0)

6 (0.9)

11

10 (76.9)

3 (23.1)

13 (1.9)

12

20 (64.5)

11 (35.5)

31 (4.6)

13

25 (55.6)

20 (44.4)

45 (6.7)

14

30 (53.6)

26 (46.4)

56 (8.3)

15

45 (63.4)

26 (36.6)

71 (10.6)

16

35 (55.6)

28 (44.4)

63 (9.4)

17

35 (50.7)

34 (49.3)

69 (10.3)

18

42 (42.9)

56 (57.1)

98 (14.6)

19

29 (35.4)

53 (64.6)

82 (12.2)

20

25 (36.2)

44 (63.8)

69 (10.3)

21

10 (27.0)

27 (73.0)

37 (5.5)

22

14 (45.2)

17 (54.8)

31 (4.6)

Total

326 (48.6)

345 (51.4)

671 (100)

  1. The age range of participants was 10–22 years; n (%) constitute the number of participants and their percentage