Schouten, B.W.V.

trochanteric pain trochanteric patient symptom follow-up study 5 years trochanteric bursitis injection prognosis bursitis variable corticosteroid practice corticosteroid injection osteoarthritis 1 year month questionnaire improvement trochanter selection bias score model responder incidence 1- year follow-up womac march table number b schouten activity hip problems analysis figure region problem british journal bierma-zeinstra incident cases scenario 5- year follow-up rheumatol characteristic case series lievense duration therapy paper selection 1.8 schouten non-responder multivariate index result reference <0.0001 investigation p-value 2 years diagnosis disease womac score study design 1 week 60 months erectile function corticosteroid injections right censoring march 2005 percentage odds ratio question british journal bohnen euroqol multivariate model