Verkleij, S.P.J.

study patient weight osteoarthritis acetaminophen nsaid trial weight change baseline change hrqol health group women follow-up hip oa heterogeneity referent comparison score effect outcome review result treatment quality scale analysis role limitations difference disease population association characteristic questionnaire analyses trajectorie trajectory class medication nsaids vs acetaminophen criteria rheum design weight gain measure level knee osteoarthritis diclofenac weight maintainers verkleij dosage table article flammatory research study population weight gainers rofecoxib weight losers limitation obesity randomized erasmus universiteit rotterdam knee oa dutch ef ficacy morning stiffness measurement intensity number randomization period pain intensity / osteoarthritis duration non-steroidal hip osteoarthritis industry funding anti-in