Table 2.

Frequency of degenerative lesions by age group. Frequencies are given relative to the respective age group with absolute numbers in brackets.

Age group	Sclerosis	Osteophytes	Joint space alterations
< 25	16.9% (13/77)	10.4% (8/77)	1.3% (1/77)
25–34	35.7% (45/126)	15.1% (19/126)	0.0% (0/126)
35–44	52.1% (63/121)	33.1% (40/121)	5.0% (6/121)
45–54	43.1% (53/123)	52.8% (65/123)	8.1% (10/123)
55–64	46.4% (58/125)	54.4% (68/125)	8.8% (11/125)
65–74	50.8% (62/122)	71.3% (87/122)	12.3% (15/122)
≥ 75	64.5% (80/124)	77.4% (96/124)	26.6% (33/124)
Total	45.7% (374/818)	46.8% (383/818)	9.3% (76/818)