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Table 3 Number and percentage of subjects with radiographic lumbar spondylosis at each intervertebral level

From: Prevalence of lumbar spondylosis and its association with low back pain among community-dwelling Japanese women

 

Overall

(n = 490)

40-49

(n = 50)

50-59

(n = 111)

60-69

(n = 153)

70-79

(n = 148)

≥80

(n = 28)

 

KL ≥ 2

L1/2

163 (33.3)

4 (8.0)

17 (15.3)

48 (31.3)

73 (52.7)

21 (75.0)

L2/3

237 (48.4)

6 (12.0)

47 (42.3)

75 (49.0)

88 (59.5)

21 (75.0)

L3/4

249 (50.8)

10 (20.0)

50 (45.0)

82 (53.6)

86 (58.1)

21 (75.0)

L4/5

200 (40.8)

7 (14.0)

31 (27.9)

72 (47.1)

76 (51.4)

14 (50.0)

L5/S1

157 (32.0)

4 (8.0)

21 (18.9)

37 (24.1)

70 (47.2)

15 (53.6)

 

KL ≥ 3

L1/2

48 (9.8)

1 (2.0)

3 (2.7)

12 (7.8)

25 (16.9)

7 (25.0)

L2/3

47 (9.6)

0 (0)

3 (2.7)

15 (9.8)

27 (18.2)

2 (7.1)

L3/4

39 (8.0)

1 (2.0)

2 (1.8)

11 (7.2)

19 (12.8)

6 (21.4)

L4/5

71 (14.5)

0 (0)

7 (6.3)

28 (18.3)

29 (19.6)

7 (25.0)

L5/S1

84 (17.1)

2 (4.0)

13 (11.7)

28 (18.3)

36 (24.3)

5 (17.9)

  1. n number, KL Kellgren-Lawrence grading