Open Access

Table 2

Outcome variables – SF12 – PCS12 and MCS12.

Group Preoperative Six months One year Two years
PCS12 Lumbar 33.5248 42.6614 41.7181 44.6080
Hip 30.2020 44.5914 43.8825 43.5217
Knee 33.6488 43.9862 44.3401 44.3233
p = 0.032 p = 0.845 p = 0.644 p = 0.933
MCS12 Lumbar 40.1949 49.3054 51.3473 53.0640
Hip 41.9455 53.5451 54.1536 58.4307
Knee 46.3444 48.3779 50.4471 50.4793
p = 0.008 p = 0.022 p = 0.012 p = 0.043

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