The correlation between four adherence measurements methods in patients with rheumatoid arthritis using methotrexate.
Renske C F HebingNada ElhendyEva H van GeelMilou van HeuckelumMichael T NurmohamedBartholomeus J F van den BemtPublished in: British journal of clinical pharmacology (2023)
Measuring adherence with MEMS is correlated with pill count, whereas other methods were not correlated with MEMS, nor with DAS28. Pill count can be used to estimate adherence to MTX therapy, in case MEMS is not achievable.