Table 1.

Patients

Age	n	Sex		History [month]
		Male	Female
< 20	23	13	10	7.6 ± 7.3
20 to 29	131	80	51	7.8 ± 7.4
30 to 39	148	101	47	7.3 ± 7.1
40 to 49	277	149	128	8.5 ± 8.7
50 to 59	278	133	145	7.8 ± 4.5
60 to 69	210	93	117	18.7 ± 15.3
> 70	132	73	59	21.6 ± 11.6

In younger patients (< 40 years) significantly male patients had undergone arthroscopy, whereas in patients 50 years old and older more female patients required surgery (p < 0.001). Older patients (>60 years) had a significantly longer history (p > 0.001)