Table 5.

Summary of published studies comparing primary THA and TKA patient outcomes at 6 to 12 months followup

Authors	Followup	THA versus TKA
Fortin et al. [12]	6 months	THA > TKA (WOMAC, SF-36)
Ethgen et al. [11]	6–12 months	THA > TKA (WOMAC, SF-36)
Current study	12 months	THA > TKA (willingness to have surgery again, WOMAC change scores, expectations met, satisfaction)