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Table 2 Baseline characteristics of the RHYTHM full cohort and subset

From: Prospective changes in diastolic function in patients with rheumatoid arthritis

Characteristic

Full cohort baseline (n=158)

Longitudinal cohort at baseline (n=60)

Longitudinal cohort at follow-up (n=60)

Demographic

Age

54±12

53 ±11

57±12

Female (158)

133 (84)

49 (82)

49 (82)

Race/ethnicity (150)

White

54 (36)

24 (40)

 

Black

27 (18)

10 (17)

 

Hispanic

62 (41.3)

24 (40)

 

Other

7 (4.67)

2 (3.3)

 

RA characteristics

Disease duration (years)

10.7 ± 11.9

8.3 ± 9.6

ND

CDAI

17.5 ± 12.4

16.7 ± 12.3

13.6 ± 12

DAS28-CRP

3.71 ± 1.36

3.26 ± 1.1

3.1 ± 1.3**

RF or anti-CCP (% positive) (145)

107 (73.3)

41 (69.5)

ND

CRP per mg/liter

5.1 ± 7.5

6.1 ± 9.4

7.1 ± 18.8*

IL-6 (log) per mg/liter

1.1 ± 1.2

1.2 ± 1.1

0.84 ± 1.1*

BNP per pg/mL

21.8 ± 17.8

21.7 ± 20.6

ND

Troponin-I (pg/mL)

1.08 ± 1.56

0.90 ± 1.3

ND

Galectin-3 (ng/mL)

9.56 ± 4.86

9.64 ± 5.6

ND

RA medication

No DMARDs

15 (9.6)

3 (5)

8 (13)

MTX (156)

102 (65)

46 (77)

25 (42)**

Targeted DMARDs (156)

64 (41)

25 (42)

35 (58)

TNF inhibitor

45 (29)

19 (30)

21 (35)

Prednisone (156)

47 (30.1)

15 (25)

4 (7.3)

CV risk factors

Current smoker (155)

16 (10.3)

6 (10)

4 (7.1)

Ever smoker (155)

60 (38.7)

22 (36.7)

ND

SBP mm/Hg (149)

118 ±16.7

116 ±16.8

124 ±17.0**

BP medications (156)

53 (34)

12 (20)

13 (23)

Statin (156)

23 (14.7)

12 (20)

13 (22.8)

Total cholesterol (145)

194 ± 37.9

187 ± 33

186.3 ±30.8

LDL (145)

112 ± 33.1

107.2 ± 29.9

103.6 ± 27.5

Diabetes#(149)

13 (7.9)

4 (7.4)

8 (14.3)

PET/CT cardiac measures

CAC score (157)

  0

106 (67.9)

44 (75)

ND

  ≥ 100

27 (17.2)

10 (17)

ND

  Mean myocardial SUV, mean (149)

2.54±2.04

2.7±2.2

ND

  Max myocardial SUV, mean (148)

3.95±3.29

4.5±3.6

ND

  Myocardial flow reserve (111)

2.92±0.69

2.87± 0.62

ND

  1. *p<0.05 **p<0.01; baseline subset (n=60) vs follow up subset (n=60)
  2. ND not done
  3. (n) Under “Characteristic” column indicates total number of patients with variable measurements
  4. #Diabetes was defined as a fasting serum glucose level of ≥ 126 mg/dl or use of antidiabetic medications
  5. Continuous values are expressed as mean± SD and categorical values are expressed as n (%)