Table 3.

Radiographic outcome measures.

Study	Time (months) from injury to operation (BPTB/HT)	Radiographic grading scale	BPTB: radiographic evidence of OA	HT: radiographic evidence of OA
Holm[36]	41.3 ± 41.0/40.5 ± 41.6	Kellgren and Lawrence classification	(grade 0-1-2-3-4):2-8-11-7-0	(grade 0-1-2-3-4):4-9-14-2-0
Barenius[24]	13.9 ± 23/16.3 ± 23	Kellgren and Lawrence classification	(grade 0-1/2-4):31/38	(grade 0-1/2-4):20/46
Webster[42]	NA	Kellgren and Lawrence classification	(grade 0-1/2-3):14/5	(grade 0-1/2-3):13/6
Ahlden[23]	11 (2-252)/17 (3-240)	Ahlbäck rating system	(grade 0-1-2-3-4-5):19-2-0-0-0-0	(grade 0-1-2-3-4-5):20-2-0-0-0-1
Sajovic[28]	22.1 ± 28.8/27.5 ± 43.5	IKDC	(grade A-B-C-D):0-16-5-3	(grade A-B-C-D):7-12-3-2
Matsumoto[34]	11.4 ± 9.9/8.9 ± 9.9	IKDC	3	3
Ibrahim[37]	9.7 (4-13)/9.7 (4-13)	NA	PFJ:8,MTFC:6	PFJ:3,MTFC:8
O’Neill[39]	NA	NA	TFJ:14/150	TFJ:12/75
Zaffagnini[41]	8 (3-13)/9 (2-12)	NA	MTFC:0/25	MTFC:1/25