Mid-term clinical outcomes of the uncemented Robert Mathys pressfit cup

Table 2 Yearly change of the PROMs (ß) during the first postoperative year

HOOS	First year
	ßcrude (95%CI)1	P value	ßadjusted (95%CI)1	P value
Symptoms	40.3 (29.6-51.0)	< 0.001	39.6 (27.2-52.0)	< 0.001
Pain	41.9 (39.8-43.9)	< 0.001	40.7 (38.6-42.9)	< 0.001
ADL	39.9 (37.9-41.9)	< 0.001	38.9 (36.8-41.0)	< 0.001
Sport/Rec	46.7 (44.2-49.2)	< 0.001	45.5 (42.9-48.2)	< 0.001
QoL	45.9 (43.6-48.2)	< 0.001	45.2 (42.8-47.6)	< 0.001

¹Mixed model analysis, ß = yearly change (crude and adjusted for age, gender and BMI). HOOS: Hip disability and osteoarthritis outcome score; ADL: Activities in daily living; Sport/Rec: Sport and recreation; QoL: Quality of life.