Fig 1.
Flow chart of study selection process.
Table 1.
Selection criteria for posterior tibial tendon dysfunction (PTTD) and adult acquired flatfoot deformity (AAFD) for included studies.
Table 2.
Frequency of criteria for diagnosis of PTTD and AAFD based on tendon symptoms, structural deformity and a combination of both.
Fig 2.
Similarities and differences in selection criteria for Stage I and II PTTD and AAFD.