Table 3 Segmental association between CPH and DJD using the odds ratio(10-year age-categories)

N/A

N/A

2.05

.41–10.20

1.92

.81–4.57

0.95

.31–2.92

1.29

.57–2.93

240

0.00

N/A

8.75

.50–153.81

4.79

.74–30.97

1.14

.12–10.53

0.62

.07–5.38

80

1.19

.12–11.01

0.00

N/S

2.92

.72–11.87

0.75

.08–6.67

1.07

.25–4.56

80

0.00

N/S

1.19

.19–18.78

1.00

.22–4.52

1.08

.20–5.85

4.99

.58–42.69

80

C3–4 IVD

C3–4 F

C4–5 IVD

C4–5 F

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

Sample Size

1.77

.66–4.76

0.64

.26–1.60

2.81

1.22–6.42

0.51

.20–1.33

240

5.67

.85–37.56

2.86

.47–17.57

0.58

.06–5.27

1.03

.11–9.65

80

1.50

.28–8.11

0.45

.09–2.22

6.71

1.65–27.34

0.17

.02–1.37

80

1.08

.20–5.85

0.34

.07–1.53

2.33

.52–10.52

0.67

.16–2.91

80

C4–5 IVD

C4–5 F

C5–6 IVD

C5–6 F

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

Sample Size

1.90

1.08–3.34

0.83

.49–1.42

2.48

1.32–4.66

0.98

.56–1.73

240

1.52

.54–4.25

0.70

.20–2.51

3.23

1.21–8.62

0.87

.29–2.71

80

2.67

1.05–6.77

0.74

.28–1.94

4.14

1.23–13.90

0.97

.38–2.45

80

1.78

.73–4.35

0.70

.28–1.71

1.47

.50–4.30

1.35

.56–3.27

80

C5–6 IVD

C5–6 F

C6–7 IVD

C6–7 F

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

Sample Size

1.90

1.08–3.34

1.69

.96–2.96

1.60

.96–2.67

1.21

.66–2.22

240

1.11

.46–2.68

1.57

.53–4.65

2.15

.78–5.92

1.54

.24–9.75

80

3.77

1.20–11.79

2.22

.86–5.74

1.11

.46–2.68

0.75

.26–2.15

80

2.43

.81–7.29

1.49

.62–3.60

2.05

.84–5.04

1.70

.68–4.22

80