Table 2.
Frequency of degenerative lesions per age group. Relative and absolute frequencies. Significantly higher frequencies compared to opposite sex are printed bold and marked with an asterisk (*); p-values were derived from Chi2 test.
| Age Group (Years) |
Disc (%,n) |
Endplate (%,n) |
Spondylophyte (%,n) |
Facet Joint (%,n) |
||||
|---|---|---|---|---|---|---|---|---|
| Male | Female | Male | Female | Male | Female | Male | Female | |
| <25 | 0.0% (0/35) |
0.0% (0/25) |
0.0% (0/35) |
0.0% (0/25) |
2.9% (1/35) |
0.0% (0/25) |
2.9% (1/35) |
0.0% (0/25) |
| 25–34 | 6.3% (4/63) |
15.4% (10/65) |
4.8% (3/63) |
7.7% (5/65) |
6.3% (4/63) |
7.7% (5/65) |
15.9% (10/63) |
12.3% (8/65) |
| 35–44 | 29.5% (18/61) |
29.1% (16/55) |
11.5% (7/61) |
7.3% (4/55) |
42.6%
(26/61) * |
20.0% (11/55) |
24.6% (15/61) |
49.1%
(27/55) * |
| 45–54 | 42.4% (25/59) |
45.9% (28/61) |
30.5% (18/59) |
23.0% (14/61) |
71.2% (42/59) |
57.4% (35/61) |
55.9% (33/59) |
67.2% (41/61) |
| 55–64 | 68.9% (42/61) |
70.6% (36/51) |
39.3% (24/61) |
47.1% (24/51) |
86.9% (53/61) |
76.5% (39/51) |
75.4% (46/61) |
86.3% (44/51) |
| 65–74 | 81.8% (45/55) |
88.4% (38/43) |
50.9% (28/55) |
76.4%
(33/43) * |
98.2% (54/55) |
97.7% (42/43) |
94.5% (52/55) |
95.3% (41/43) |
| ≥75 | 85.1% (40/47) |
89.5% (34/38) |
59.6% (28/47) |
81.6%
(31/38) * |
100.0% (47/47) |
97.7% (36/38) |
95.7% (45/47) |
97.4% (37/38) |
| Total | 45.7% (174/381) |
47.9% (162/338) |
28.3% (108/381) |
32.8% (111/338) |
59.6%
(227/381) * |
49.7% (168/338) |
53.0% (202/381) |
58.6% (198/338) |