Table 5.

Functional outcomes by baseline joint state

	Chondral surface good, n = 60	Chondral surface bare n = 39
Kempshall et al. [22]
Lysholm knee score at final endpoint, mean (SD)a
Baseline value	58.6 (4.8)	47.3 (6.6)
Endpoint value	80.2 (5.0)	71.4 (7.8)
p value	< 0.001	< 0.001
IKDC score at final endpoint, mean (SD)
Baseline value	43.13 (4.1)	37.3 (5.3)
Endpoint value	68.8 (5.5)	58.7 (8.2)
p value	< 0.001	< 0.001
Tegner score at final endpoint, median (range)
Baseline value	2 (0–7)	2 (0–9)
Endpoint value	4 (1–10)	4 (1–9)
p value	< 0.05	< 0.05
Mahmoud et al. [27]	OCS 0–2	OCS 3–4
Lysholm knee score
Change from baseline	+ 21.3	+24.5
p value	0.013	< 0.001
IKDC
Change from baseline	10.8	21.5
p value	0.241	0.001
Tegner
Change from baseline	1.73	0.53
p value	0.015	n.s.

OCS Outerbridge Cartilage Score