Table 1.

Demographics for patients with medial compartment joint space narrowing

Variable	Value
Number of patients	84
Male/female	30/54
Age at surgery (years)*	66 ± 9 (range, 43–84)
BMI*	29 ± 4 (range, 23–40)
Followup (months)*	98 ± 33 (range, 63–145)
Pathology site
MFC	77
MTP	7
Right/left	36/48
Ahlbäck grade
IV	47
III	37
II	0
I	0

* Values are expressed as mean ± SD, with range in parentheses; MFC = medial femoral condyle; MTP = medial tibial plateau.