Table 11 Outcome measures used in animal studies (some studies used more than one outcome measure)

Histology scores

111 (100%)

[49, 54–102, 134, 150–154, 160, 161, 272–324]

International Cartilage Repair Society Score

26 (23%)

[49, 60, 61, 63, 66, 69, 72, 74, 79, 89, 92, 94, 98, 99, 272, 282, 283, 289, 305, 306, 310, 313, 314, 316, 319, 324]

Wakitani score

21 (19%)

[58, 62, 67, 68, 72, 73, 80, 82, 97, 151, 273, 277, 279, 284, 285, 290, 299, 304, 310, 321]

O’Driscoll score

2018%

[49, 71, 81, 84, 85, 93, 100, 160, 272, 276, 290, 296–298, 302, 306, 308, 313, 314, 322]

Functional scores/mechanical

11 (10%)

[55, 57, 62, 67, 69, 81, 101, 277, 287, 290, 315]

MRI scores

5 (5%)

[63, 69, 96, 101, 316]

Arthroscopy scores

5 (5%)

[72, 96, 310, 317, 318]

Macroscopic osteoarthritis score

3 (3%)

[57, 281, 295]

Pineda score

3 (3%)

[290, 293, 309]

Schreiber score

2 (2%)

[101, 300]

Britternberg score

2 (2%)

[84, 85]

Slochagg score

1 (<1%)

[300]

Moran score

1 (<1%)

[64]

Gill score

1 (<1%)

[95]