“…The ES in TKA patients were 1.97 for pain, 1.30 for stiff ness, 1.65 for function and 2.01 for the total score, in TKA patients 1.18, 0.88, 1.18, and 1.19, respectively. The SRMs were 1.81 for pain, 1.00 for stiff ness, 1.28 for function, and 1.64 for the total score in THA patients as well as 1.08, 0.83, 1.15, and 1.12, respectively in TKA patients [52] . In interpreting the meaning of clinical measures, it is important to consider that, although small changes may be statistically signifi cant, they may not be clinically important.…”