Use of complementary and alternative medicines is associated with delay to initiation of disease-modifying anti-rheumatic drug therapy in early inflammatory arthritis
Abstract
To study the predictors of complementary and alternative medicine (CAM) use in patients with early inflammatory arthritis (EIA), and its impact on delay to initiation of disease-modifying anti-rheumatic drugs (DMARD). Data were collected prospectively from EIA patients aged ≥ 21 years. Current or prior CAM use was ascertained by face-to-face interview. Predictors of CAM use and its effect on time to DMARD initiation were determined by multivariate logistic regression and Cox proportional hazards, respectively. One hundred and eighty patients (70.6% female, 58.3% Chinese), of median (interquartile range [IQR]) age 51.1 (40.9-59.8) years and symptom duration 16.6 (9.2-26.6) weeks were included: 83.9% had rheumatoid arthritis, 57% were seropositive. Median (IQR) Disease Activity Score in 28-joints (DAS28) was 4.3 (2.8-5.7), modified Health Assessment Questionnaire (mHAQ) was 0.38 (0.0-0.88) and 41.3% were CAM users. Chinese race (odds ratio [OR] 5.76 [95%CI 2.53-13.1]), being non-English speaking (OR 2.68 [95% CI 1.18-6.09]), smoking (OR 3.35 [95% CI 1.23-9.15] and high DAS28 (OR 2.73 [95% CI 1.05-7.09] were independent predictors of CAM use. CAM users initiated DMARD later (median [IQR] 21.5 [13.1-30.4] vs. 15.6 [9.4-22.7] weeks ...Continue Reading
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