Table 1.

Characteristics of study groups.

	Number	Percent	Age [years]
			Mean	SD	Min-Max
Osteoarthrosis	55	100.0	63.91	10.73	40–78
Gender
Women	36	65.5	66.47	9.94	46–78
Men	19	34.5	59.05	10.75	40–77
Age group
<69	31	56.4	56.39	8.164	40–69
>70	24	43.6	73.63	2.96	70–78
Controls	57	100.0	62.96	14.57	24–90
Gender
Women	29	50.9	64.03	14.63	24–90
Men	28	49.1	61.86	14.68	32–89
Age group
<69	36	63.2	54.47	10.89	24–69
>70	21	36.8	77.52	5.84	70–90