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Table 4 Clinical and laboratory findings in patients with rheumatoid arthritis and different disease activity and controls

From: Impact of disease activity on impaired glucose metabolism in patients with rheumatoid arthritis

 

RA pts with DAS28-ESR ≥ 5.1 (N = 46)

RA pts with DAS28-ESR < 5.1 (N = 44)

P valuea

P valuea

Controls vs.

RA pts with DAS28-ESR ≥ 5.1 vs. < 5.1

RA pts with DAS28-ESR ≥ 5.1

RA pts with DAS28-ESR < 5.1

Age (years)

52.8 ± 10.7

52.1 ± 9.2

ns

ns

ns

BMI (kg/m2)

25.6 ± 4.7

25.7 ± 3.8

ns

ns

ns

Female, n (%)

40/46 (87.0)

38/44 (86.4)

ns

ns

ns

Hypertension, n (%)

12/46 (26.1)

16/44 (36.4)

ns

ns

ns

WC (cm)

87.4 ± 12.9

86.4 ± 11.8

ns

ns

ns

Waist-to-hip ratio

0.85 ± 0.08

0.83 ± 0.08

ns

ns

ns

MetS, n (%)

12/46 (26.1)

7/44 (15.9)

ns

ns

ns

ESR (mm/h)

40 (31–62)

14 (10–29)

0.000

0.000

ns

CRP (mg/l)

12 (5.4–20)

3.1 (1.5–5.3)

0.000

0.000

ns

IL-6 (pg/ml)

12.8 (4.4–24)

3.2 (2.0–11)

0.003

0.000

0.005

Glycemia (mmol/l)

4.97 ± 0.6

4.63 ± 0.6

0.046

ns

ns

Insulin (pmol/l)

79 (58–120)

57 (39–91)

0.004

0.000

ns

C-peptide (pmol/l)

960 (680–1130)

700 (465–860)

0.011

0.003

ns

HOMA2-IR

1.7 (1.2–2.5)

1.3 (0.9–1.9)

0.003

0.000

ns

HOMA2-IR > 1 (%)

39/46 (84.0)

28/44 (63.6)

0.021

0.002

ns

HOMA2-%B

150 (118–195)

143 (115–184)

ns

ns

ns

HOMA2-%S

61 (40–85)

81 (54–123)

0.004

0.000

ns

DAS28-ESR

6.08 ± 0.79

3.51 ± 0.85

0.000b

  

RA duration (years)

8.5 (4–13)

10 (5–13)

nsb

  

GC therapy, n (%)

30/46 (65.2)

29/44 (65.9)

nsb

  

GC doses (mg/day)

6.2 (5.0–10)

5 (5–10)

nsb

  

GC therapy (years)

3.3 (2.0–6.0)

5 (3–6)

nsb

  
  1. Data are presented as mean values ± SD and as the median and interquartile range (IQR) or percentages. Two-tailed level of P < 0.05 was considered statistically significant and marked in bold
  2. Abbreviations: CRP C-reactive protein, DAS28 disease activity score of 28 joints, ESR erythrocyte sedimentation rate, GC glucocorticoids, HAQ Health Assessment Questionnaire, IL interleukin, MetS metabolic syndrome, MMP3 matrix metalloproteinase-3, VAS visual analogue scale (0–100 mm), WC waist circumference
  3. aP value for the intergroup difference was tested by ANOVA, Kruskal-Wallis, and Mann-Whitney or χ2 test with the Bonferroni post hoc test. bP value inside the RA group. Differences in mDAS28-SE, disease duration, and GC therapy were tested by Mann-Whitney tests