Table 2.

Main findings of accelerated and restricted rehabilitations protocols described in literature

Manuscript	No of patients	WB limitations	ROM limitations	Failure rate and follow-up	Level of evidence
Choi et al. [28]	14	Toe-touch WB for 6 weeks, followed by a gradual increase of weight- bearing over the following 4 weeks	ROM exercises were allowed from 0° to 90° of flexion for 6 weeks	Failure rate 7% Follow-up 36 months	Case series: Level of evidence 4
Haklar et al. [29]	5	No WB 6–8 weeks	ROM 0°-120°	Failure rate 0% Follow-up 31 months	Non-randomised cohort: Level of evidence 3
Kocabey et al. [27]	52	Immediate WB as tolerated	ROM 0°-125°	Failure rate 4% Follow-up 10 months	Retrospective case series: Level of evidence 4
Lind et al. [21]	60 (32 accelerated protocol, 28 restricted protocol)	Accelerated protocol: 2 weeks toe-touch WB Restricted protocol: 6 weeks toe-touch WB	Accelerated protocol: ROM 0° − 90°, without brace, then return to normal activities Restricted protocol: 6 weeks with locked brace, gradual increase ROM to 90°	Failure rate 28% (accelerated) 36% (restricted) Follow-up 24 months	Randomised controlled clinical trial: Level of evidence 1
Logan et al. [31]	42	Protected WB for 6 weeks	ROM 0°-120° for 6 weeks	Failure rate 24% Follow-up 102 months	Case series: Level of evidence 4
Mariani et al. [11]	22	Immediate WB as tolerated	Immobilisation with brace locked in full extension for 1 month, passive ROM 0° − 90° for 2 weeks, than gradual increase	Failure rate 9% Follow-up 28 months	Non-randomised cohort study: Level of evidence 3
Noyes et al. [30]	29	Partial WB for 4 or 6 weeks	ROM 0°- 135° for 6 weeks	Failure rate 25% Follow-up 51 months	Non-randomised cohort study: Level of evidence 3

WB Weightbearing, ROM Range of motion