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Table 2 Baseline demographic, clinical, and laboratory variables of poor adherers versus good adherers

From: Predictive validity of the 5-item Compliance Questionnaire for Rheumatology (CQR5) in detecting poor adherence of patients with rheumatoid arthritis to biological medication

  Overall cohort of RA patients (n = 210)  
Poor adherers (n = 58) Good adherers (n = 152)
Median IQR Median IQR p value*
Age, years 61.00 50.00–75.00 55.00 48.00–69.00 < 0.0001
Disease duration, years 7.00 5.00–10.00 7.00 5.00–10.00 0.9034
Educational level, years 12.00 8.00–13.00 13.00 8.00–14.00 0.8284
BMI (kg/m2) 25.02 22.33–27.91 4.51 24.33–29.79 0.6041
mRDCI, range 0–11 1.50 0.50–3.50 1.00 0.00–3.00 0.0039
ERS (mm/h), range 0–150 39.50 27.50–54.00 34.50 22.00–49.00 0.0335
HAQ-DI, range 0–3 1.31 0.92–1.87 1.00 0.86–1.50 0.0336
CDAI, range 0–76 31.00 22.00–39.00 25.00 20.00–31.00 < 0.0001
CRAF, range 0–10 0.44 0.19–0.66 0.17 0.08–0.34 0.0036
  1. IQR interquartile range, BMI body mass index, mRDCI modified Rheumatic Disease Comorbidity Index, HAQ-DI Health Assessment Questionnaire Disability Index, CDAI Clinical Disease Activity Index, CRAF Comprehensive Rheumatologic Assessment of Frailty
  2. *Mann-Whitney U test
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