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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