Table 1 Distribution of Studied Individuals by Age and Sex (n = 140)14.

From: Age estimation using dental and hand-wrist radiography among a sample of Egyptian children

Age group

Age range

Sex

Number%

Mean age ± SD (years)

Median (years)

8

8–8.9

Males

13(18.57%)

8.58 ± 0.29

8.60

Females

11(15.72%)

8.42 ± 0.34

8.30

9

9–9.9

Males

10(14.28%)

9.33 ± 0.26

9.30

Females

6(8.57%)

9.48 ± 0.31

9.55

10

10–10.9

Males

4(5.72%)

10.12 ± 0.05

10.1

Females

4(5.72%)

10.15 ± 0.17

10.15

11

11–11.9

Males

8(11.43%)

11.47 ± 0.26

11.5

Females

9(12.85%)

11.36 ± 0.2

11.4

12

12–12.9

Males

6(8.57%)

12.60 ± 0.39

12.8

Females

8(11.42%)

12.12 ± 0.12

12.1

13

13–13.9

Males

12(17.15%)

13.17 ± 0.19

13.15

Females

4(5.71%)

13.2 ± 0.17

13.25

14

14–14.9

Males

3 (4.28%)

14.76 ± 0.15

14.8

Females

12(17.15%)

14.36 ± 0.27

14.3

15

15–15.9

Males

6(8.57%)

15.13 ± 0.05

15.1

Females

8(11.43%)

15.33 ± 0.31

15.25

16

16–16.9

Males

0

0

0

Females

6(8.57%)

16.28 ± 0.31

16.1

17

17–17.9

Males

8(11.43%)

17.37 ± 0.39

17.2

Females

2(2.86%)

17.00

17

Total

8–17.9

Males

70(100%)

12.07 ± 2.89

11.95

Females

70(100%)

12.42 ± 2.72

12.10