Patient characteristics and valuation changes impact quality of life and satisfaction in total knee arthroplasty – results from a German prospective cohort study

Table 2 Descriptive statistics of patient reported outcomes (PROs)

PROs	pre-operative		6 months post OP		change
PROs	Mean	SE	Mean	SE	Mean	SE
WOMAC pain	55.04	1.54	85.75	1.18	30.72	1.66
WOMAC stiffness	46.64	2.00	75.26	1.61	28.61	2.34
WOMAC function	53.94	1.69	82.70	1.26	28.75	1.75
WOMAC sum	53.56	1.61	81.23	1.25	27.67	1.74
EHS-based value set	52.37	1.31	71.69	1.40	19.32	1.61
EQ-5D VAS	62.17	1.66	73.00	1.47	10.83	2.07

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