Table 1 Hyperostotic spurs at 11 specified localizations of both elbows in patients with or without thoracospinal DISH, with or without elbow hyperostosis, and with or without elbow DISH (defined by the features of both thoracospinal and elbow hyperostosis), respectively

Olecranon

66.7 %

57.7 %

1.47 (0.54–4.03)

84.2 %

14.3 %

32.00 (7.73–148.86)

77.8 %

13.6 %

22.17 (4.13–144.69)

Lateral epicondyle

78.8 %

48.1 %

4.01 (1.35–12.34)

68.4 %

21.1 %

2.89 (1.03–8.20)

88.9 %

45.5 %

9.60 (1.91–61.23)

Medial epicondyle

72.7 %

48.1 %

2.88 (1.03–8.24)

70.2 %

15.8 %

4.97 (1.70–14.91)

85.2 %

36.4 %

10.06 (2.18–52.12)

Coronoid process

39.4 %

38.5 %

1.04 (0.39–2.79)

49.1 %

8.8 %

4.44 (1.37–16.79)

48.1 %

22.7 %

3.16 (0.79–13.91)

Coronoid fossa

21.2 %

32.7 %

0.55 (0.18–1.69)

35.1 %

7.0 %

3.24 (0.91–14.48)

25.9 %

18.2 %

1.58 (0.33–8.53)

Radial head

24.2 %

23.1 %

1.07 (0.34–3.32)

29.8 %

5.3 %

3.54 (0.88–20.49)

29.6 %

13.6 %

2.67 (0.52–17.65)

Radial tuberosity

30.3 %

19.2 %

1.83 (0.59–5.66)

28.1 %

7.0 %

2.34 (0.64–10.65)

29.6 %

9.1 %

4.21 (0.69–44.44)

Olecranon - other localization

12.1 %

26.9 %

0.37 (0.08–1.38)

24.6 %

7.0 %

1.95 (0.53–9.01)

14.8 %

18.2 %

0.78 (0.13–4.85)

Other localization

21.2 %

19.2 %

1.13 (0.34–3.77)

24.6 %

5.3 %

2.71 (0.66–15.98)

25.9 %

13.6 %

2.22 (0.42–15.00)

Olecranon fossa

12.1 %

15.4 %

0.76 (0.15–3.16)

35.1 %

7.0 %

3.24 (0.91–14.48)

14.8 %

13.6 %

1.10 (0.16–8.45)

Radius - other localization

12.1 %

9.6 %

1.30 (0.24–6.56)

12.3 %

3.5 %

1.82 (0.31–19.06)

11.1 %

4.5 %

2.63 (0.19–144.25)