Table 1.

Patient Characteristics

Sex	2 female, 12 male
Age in years	Mean 41.1, SD=7.6, min. 27, max. 52
Hospital stay in days	Mean 4.25, SD=1.1, min. 3, max. 6
Trauma in patients history	10 patients positive
Localisation defect knee	14 medial, 1 lateral