Table 2 Cervical Sagittal Radiographic Parameters

Male(133)

6.8±6.9

-13.1±8.7

-9.7±7.7

28.8±8.6

12.2±5.7

16.2±6.3

26.7±5.4

13.8±11.0

Female(130)

7.1±5.3

-16.1±6.6

-12.2±5.4

29.5±8.1

12.7±6.4

15.9±6.5

28.1±5.2

12.0±10.2

P=0.697

P=0.002^*

P=0.002^*

P=0.493

P=0.478

P=0.722

P=0.036^*

P=0.185

Age group, years(n)

20-34(47)

5.1±7.6

-13.3±10.4

-9.6±8.7

30.4±8.1

13.1±6.6

16.8±6.4

28.1±5.1

9.0±10.4

35-49(81)

6.8±6.2

-13.6±8.7

-10.4±7.4

28.0±8.0

12.8±6.5

16.0±6.8

27.0±6.1

11.8±10.8

50-64(77)

7.3±4.8

-15.6±4.9

-12.1±4.7

29.7±7.2

11.9±5.3

15.6±5.7

27.3±4.6

14.4±10.3

≥65(58)

8.1±6.4

-15.7±7.1

-11.1±6.2

29.0±10.3

12.3±5.9

16.1±6.6

27.5±5.2

15.8±10.2

P=0.094

P=0.173

P=0.215

P=0.412

P=0.663

P=0.795

P=0.705

P=0.005^*

Total(263)

6.9±6.2

-14.6±7.8

-10.9±6.7

29.2±8.4

12.5±6.0

16.0±6.4

27.4±5.3

12.9±10.7