Selection criteria as stated in each study
| Trial | Medial foot/ankle pain | Pain PTT | Swelling of PTT | TOP PTT | Correctable flatfoot deformity | Foot flattening | Abducted mid-foot | Duration of symptoms | Imaging | Other inclusion criteria |
| Houck et al 32 | NR | Either | NR | √ | NR | NR | NR | NR | Able to walk >15 m >40 years of age | |
| Jeong et al 31 | √ | √ | NR | √ | NR | NR | NR | NR | NR | NR |
| Kulig et al 33 | √ | NR | NR | √ | √ | √ | √ | >3 months | NR | NR |
√, essential eligibility criteria for the study; either, one finding from this group of tests/clinical findings was required.
NR, not reported; PTT, posterior tibial tendon; TOP, tender on palpation.