Table 2: Distribution of frequencies, arithmetic mean, standard deviation and confidence intervals of the age groups of patients with oral cavity cancer in the INCan.

Age

group

(years)

Men

n (%)

Women

n (%)

Subtotal

n (%)

fi

hi

Fi

Hi

X

SD

CI (95%)

21-25

3 (2.4)

3 (3.2)

6 (2.7)

6

0.027

6

0.027

22.8

1.83

0.027 ± 0.021

26-30

7 (5.6)

4 (4.2)

11 (5.0)

11

0.050

17

0.077

28.1

1.53

0.050 ± 0.030

31-35

6 (4.8)

0 (0.0)

6 (2.7)

6

0.027

23

0.104

33.6

1.63

0.027 ± 0.021

36-40

4 (3.2)

1 (1.1)

5 (2.3)

5

0.023

28

0.127

38.6

0.54

0.023 ± 0.019

41-45

10 (7.9)

4 (4.2)

14 (6.3)

14

0.063

42

0.190

43.1

1.46

0.063 ± 0.032

46-50

12 (9.5)

9 (9.5)

21 (9.5)

21

0.095

63

0.285

47.6

1.32

0.095 ± 0.038

51-55

19 (15.1)

12 (12.6)

31 (14.1)

31

0.141

94

0.426

53.5

1.47

0.014 ± 0.015

56-60

13 (10.3)

14 (14.7)

27 (12.2)

27

0.122

121

0.548

57.6

1.36

0.012 ± 0.014

61-65

16 (12.7)

9 (9.5)

25 (11.3)

25

0.113

146

0.661

63.1

1.46

0.011 ± 0.013

66-70

9 (7.1)

14 (14.7)

23 (10.4)

23

0.104

169

0.765

68.2

1.27

0.010 ± 0.013

71-75

10 (7.9)

11 (11.6)

21 (9.5)

21

0.095

190

0.860

72.9

1.39

0.095 ± 0.038

76-80

11 (8.7)

5 (5.2)

16 (7.2)

16

0.072

206

0.932

78.4

1.59

0.072 ± 0.034

81-85

3 (2.4)

7 (7.3)

10 (4.5)

10

0.045

216

0.977

82.9

1.66

0.045 ± 0.027

86-90

2 (1.6)

1 (1.1)

3 (1.4)

3

0.014

219

0.991

87.7

1.15

0.014 ± 0.015

91-95

1 (0.8)

1 (1.1)

2 (0.9)

2

0.009

221

1.000

93

2.82

0.090 ± 0.037

Total

126 (57.01)

95 (42.99)

221 (100.0)

221

1

 

 

 

 

 

Confidence level of 95% (p < 0.05).

fI = absolute frequency,

hi = relative frequency,

Fi = cumulative absolute frequency,

Hi = cumulative relative frequency,

X = arithmetic mean,

SD = standard deviation,

CI = 95% confidence interval.

Source: Database of the Department of Head and Neck Surgery of the INCan.