Table 2.

Results of KOOS subscales: paired two-sample t-test for means.

Test	Pre-surgical mean	Post-surgical mean	P(T<=t) two-tail
KOOS overall	58.41	69.20	0.04
KOOS ADL	69.16	78.42	0.10
KOOS pain	62.96	72.60	0.07
KOOS QOL	33.33	43.52	0.31
KOOS Sports and Rec	30.00	39.03	0.47
KOOS Symptom	56.74	70.63	0.10
KOOS WOMAC function	69.16	78.42	0.10
KOOS WOMAC pain	72.22	78.33	0.22
KOOS WOMAC stiffness	56.94	68.06	0.21