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Table 1 Characteristics of the 204 patients included in the analysis

From: Correlation of enthesitis indices with disease activity and function in axial and peripheral spondyloarthritis: a cross-sectional study comparing MASES, SPARCC and LEI

 

All Centers

Hospital de Clínicas de Porto Alegre, Porto Alegre (South Brazil)

Hospital Universitário Evangélico, Curitiba (South Brazil)

Hospital Universitário Getúlio Vargas, Manaus (North Brazil)

P value

Number of patients

204

54

84

66

 

Male N (%)

131 (64.2)

28 (51.9)

55 (65.5)

48 (72.7)

0.057

Age in years

(Mean ± SD, range)

48.6 ± 12.8

(18–87)

51.3 ± 12.2

(22–77)

47.8 ± 13.2

(18–87)

47.5 ± 12.7

(18–72)

0.213

Disease duration in years

(Mean ± SD, range)

17.2 ± 10.6

(2–58)

17.4 ± 9.2

(4–44)

15.9 ± 10.9

(2–55)

18.5 ± 11.2

(2–58)

0.209

Self-reported ethnicity: white N (%)

126 (61.8)

41 (75.9)

67 (79.8)

18 (27.3)

<  0.001

Patients fulfilling ASAS classification criteria for Peripheral SpA N (%)

59 (28.9)

17 (31.5)

29 (34.5)

13 (19.7)

0.123

Patients fulfilling ASAS classification criteria for Axial SpA N (%)

145 (71.1)

37 (68.5)

55 (65.5)

53 (80.3)

0.123

Patients with at least one enthesitis N(%)

124 (60.8)

44 (81.5)

43 (51.2)

37 (56.1)

0.001

Composite activity index (mean ± SD)

 BASDAI*

3.5 (2.3)

4.7 (2.6)

3.1 (2.0)

3.0 (2.2)

0.002

 ASDAS CRP*

2.3 (1.2)

2.8 (1.2)

2.4 (1.0)

1.8 (1.2)

0.001

 ASDAS ESR*

2.6 (1.0)

2.8 (1.2)

2.6 (1.0)

2.5 (1.0)

0.610

 DAS- 28 **

3.6 (1.4)

3.9 (1.4)

3.7 (1.5)

3.2 (1.2)

0.460

Enthesitis indices: Median (P25%, P75%), range / Mean ± SD

 MASES

1 (0, 5), 0–13/ 2.8 ± 3.9

3 (0, 7), 0–13/ 4.4 ± 4.3

0 (0, 3), 0–13/ 2.2 ± 3.5

0 (0, 3), 0–13/ 2.3 ± 3.6

< 0.001

 SPARCC

0 (0, 3), 0–16/ 2.4 ± 3.9

2 (0, 6), 0–16/ 3.7 ± 4.6

0 (0, 3), 0–13/ 1.8 ± 3.0

0 (0, 2), 0–16/ 2.1 ± 4.0

0.005

 LEI

0 (0, 2), 0–6/ 1.0 ± 1.6

0 (0, 2), 0–6/ 1.5 ± 2.0

0 (0, 1), 0–6/ 0.8 ± 1.5

0 (0, 1), 0–6/ 0.7 ± 1.4

0.016

  1. SD: standard deviation; SpA: Spondyloarthritis; ASAS: Assessment of Spondyloarthritis International Society; MASES: Maastricht Ankylosing Spondylitis Enthesitis Score; SPARCC: Spondyloarthritis Research Consortium of Canada Index; LEI: Leeds Enthesitis Index * Reported only for the 145 patients fulfilling ASAS criteria for axial spondyloarthritis ** Reported only for the 59 patients fulfilling ASAS criteria for peripheral spondyloarthritis