Table 2 Conventional cardiovascular risk factors, systemic inflammation and atherosclerosis in African black subjects by RA status

Categorical variables

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Hypertension (%)

74.8

65.4

1.65 (0.95 to 2.96)

1.66 (0.94 to 2.96)

2.03 (1.07 to 3.85)

-

1.88 (0.97 to 3.67)

T chol/HDL chol >4

21.6

33.5

0.54 (0.30 to 1.00)

0.73 (0.40 to 1.33)

0.64 (0.31 to 1.30)

0.87 (0.31 to 3.07)

0.88 (0.28 to 2.79)

Smoking

Ever (%)

16.5

14.5

1.37 (0.66 to 2.85)

-

-

-

-

Former (%)

13.0

6.9

2.48 (1.03 to 5.99)

-

-

-

-

Current (%)

3.5

7.6

0.46 (0.14 to 1.51)

-

-

-

-

Diabetes (%)

15.7

12.0

1.41 (0.69 to 2.85)

1.87 (0.86 to 4.06)

-

1.48 (0.37 to 5.99)

1.53 (0.38 to 6.28)

≥1 major RF (%)

75.7

78.1

0.87 (0.49 to 1.53)

0.86 (0.48 to 1.53)

0.66 (0.24 to 1.81)

1.23 (0.34 to 4.12)

0.88 (0.28 to 3.79)

Continuous variables

Partial R P

Partial R P

Partial R P

Partial R P

Partial R P

Blood pressure values

Systolic BP, mmHg

140 (25)

137 (22)

0.064 0.3

0.035 0.6

0.080 0.2

-

0.092 0.2

Diastolic BP, mmHg

86 (15)

87 (13)

-0.038 0.5

-0.031 0.6

-0.008 0.9

-

-0.017 0.8

Lipid values

T chol, mmol/l

4.7 (0.9)

5.1 (1.2)

-0.145 0.02

-0.112 0.08

-0.126 0.045

-0.075 0.2

-0.072 0.3

HDL chol^f, mmol/l

1.48 (1.33)

1.39 (1.32)

0.112 0.07

0.082 0.2

0.094 0.1

-0.001 1.0

0.026 0.7

T chol/HDL chol

3.2 (1.0)

3.7 (1.3)

-0.180 0.003

-0.134 0.03

-0.155 0.01

-0.041 0.5

-0.064 0.4

LDL chol, mmol/l

2.6 (0.8)

3.0 (1.0)

-0.173 0.005

-0.133 0.04

-0.146 0.02

-0.096 0.1

-0.120 0.09

LDL chol/HDL chol^f

1.68 (1.55)

2.02 (1.59)

-0.179 0.004

-0.134 0.03

-0.147 0.02

-0.070 0.3

-0.110 0.1

Non HDL, mmol/l

3.1 (0.9)

3.6 (1.2)

-0.190 0.002

-0.145 0.02

-0.165 0.009

-0.081 0.2

-0.090 0.2

Trig^f, mmol/l

1.08 (1.70)

1.20 (1.59)

-0.118 0.06

-0.093 0.14

-0.119 0.06

-0.058 0.4

-0.041 0.6

Trig/HDL chol^f

0.73 (2.02)

0.87 (1.83)

-0.139 0.02

-0.110 0.08

-0.135 0.03

-0.046 0.5

-0.046 0.6

Smoking^f, cigarettes/d

0.05 (0.36)

0.15 (0.68)

-0.096 0.1

-

-

-

-

Glucose ^f, mmol/l

5.2 (1.4)

5.5 (1.4)

-0.117 0.06

-0.090 0.2

-

-0.095 0.1

-0.088 0.2

Major RF, number

1.1 (0.8)

1.2 (0.9)

-0.024 0.7

0.010 0.9

0.008 0.9

0.035 0.6

0.023 0.7

10 year risk for CHD ^f

2.5 (3.0)

3.2 (3.2)

-0.103 0.1

-0.090 0.2

-0.057 0.4

-0.042 0.5

-0.012 0.9

10 year risk for CVD ^f

9.3 (2.2)

10.4 (2.4)

-0.050 0.4

-0.012 0.9

0.035 0.6

0.001 1.0

-0.002 1.0

Systemic inflammation

CRP, mg/l ^f

7.2 (3.1)

6.7 (3.1)

0.024 0.7

0.099 0.1

-

-

-

Interleukin-6, pg/ml ^f

3.9 (1.9)

6.3 (1.9)

-0.344 <0.0001

-0.296 <0.0001

-

-

-

Atherosclerosis

cIMT, mm

0.700 (0.085)

0.701 (0.111)

0.025 0.7

0.062 0.4

0.076 0.3

0.013 0.9

0.036 0.7