Table 1 Demographic and clinical characteristics of the patients.

From: Persistence of C-reactive protein increased levels and high disease activity are predictors of cardiovascular disease in patients with axial spondyloarthritis

 

Entire axSpA population (n = 295)

axSpA without CV event (n = 272)

axSpA with CV event (n = 23)

P

Male (%)

65.4

65.4

65.2

0.98

Age (years)

47 (40–56)

46 (39–55.5)

58 (52–66)

 < 0.0001

Diagnostic delay, months, median (25th-75th Pctl)

24.4 (2–85.2)

24.4 (4.1–85.2)

6.1 (0–62.8)

0.06

CVD family history (%)

21

19

38.1

0.042

Smokers (%)

31.4

32.8

13.6

0.14

Atrial fibrillation (%)

1.4

1.1

31.3

0.2

Diabetes (%)

6.4

5.5

17.4

0.026

Stage 3–5 of chronic kidney disease (%)

1.4

1.1

4.4

0.2

Migraine (%)

13.2

13.2

13

0.98

Total cholesterol (mg/dl), median (25th–75th Pctl)

189 (168–212)

187 (166–212)

193 (170–211)

0.49

HDL cholesterol (mg/dl), median (25th–75th Pctl)

53 (45–63)

53 (45–62.5)

58 (42.5–70.5)

0.36

LDL cholesterol (mg/dl), median (25th–75th Pctl)

110 (92–130)

110.5 (92–130)

107 (90.5–128.5)

0.79

Systolic blood pressure (mmHg), median (25th–75th Pctl)

120 (120–130)

120 (120–130)

125 (120–140)

0.13

Diastolic blood pressure (mmHg), median (25th–75th Pctl)

80 (80–85)

80 (80–85)

82.5 (80–87.5)

0.049

Antihypertensive treatment (%)

25.4

22.4

60.9

 < 0.0001

BMI, median (25th–75th Pctl)

25.7 (23.4–30.9)

25.6 (23.2–30.5)

28.3 (24.8–37.3)

0.67

Treatment with acetyl-salicylic acid (%)

6.5

3.7

39.1

 < 0.0001

Treatment with statins (%)

6.8

5.5

21.7

0.003

Radiographic evidence of sacroiliitis (%)

58.7

58.9

57.1

0.9

Radiographic evidence of syndesmophytes precence (%)

35.2

35.6

42.9

0.4

MRI evidence of sacroiliitis (%)

70.7

72

57.1

0.2

MRI evidence of spine inflammation (%)

17.5

17.8

14.3

0.7

AS in according to New York criteria (%)

72.3

71.4

82.6

0.3

CRP (mg/l), median (25th–75th Pctl)

3.04 (1–6.09)

3 (1–5.09)

7.6 (5.04–13)

 < 0.0001

ESR (mm/h), median (25th–75th Pctl)

14 (6–29)

13 (6–28)

24 (10–40)

0.06

BASDAI, median (25th–75th Pctl)

4.04 (2.1–6)

4 (2–6)

5.9 (4–6.8)

0.01

ASDAS, median (25th–75th Pctl)

2.1 (1.3–3)

2.1 (1.1–3)

3.2 (3–3.7)

0.0004

History of peripheral disease (%)

53.6

52.6

65.2

0.2

History of enthesitis (%)

19.7

18.4

36.4

0.04

History of dactylitis (%)

7.8

7.7

8.7

0.9

History of IBD (%)

74.2/25.8

73.4/26.6

82.6/17.4

0.3

History of uveitis (%)

83.3/16.7

84.1/15.9

73.9/26.1

0.2

Infliximab treatment (%)

20.2

20.8

14.3

0.5

Adalimumab treatment (%)

31.1

30.6

36.4

0.6

Etanercept treatment (%)

22.4

22.2

25

0.8

Golimumab treatment (%)

10

10

10

1

Certolizumab pegol treatment (%)

1.7

98.2/1.4

100/0

0.5

Secukinumab treatment (%)

10.1

10.6

5

0.4

Salazopyrin treatment (%)

18.1

18.1

18.2

0.9

NSAIDs continous use/on demand (%)

32.7/17.1

34/17.8

18.2/9.1

0.09

  1. axSpA axial spondyloarthritis; CV cardiovascular; Pctl percentile; CVD cardiovascular disease; BMI body mass index; MRI magnetic resonance imaging; AS ankylosing spondylitis; CRP C-reactive protein; ESR erythrocyte sedimentation rate; BASDAI Bath Ankylosing Spondylitis Disease Activity Index; ASDAS Ankylosing Spondylitis Disease Activity Score; IBD inflammatory bowel disease; NSAID Nonsteroidal anti-inflammatory drug.