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Table 2 AxSpA classification by chart review

From: Cohort identification of axial spondyloarthritis in a large healthcare dataset: current and future methods

 

All

High risk for axSpA

Moderate risk for axSpA

Low risk for axSpA

No. [%]

(95% CI)

n = 600

AS

No. (95% CI)

n = 100

HLA-B27+

No. (95% CI)

n = 100

Non-AS SpA subtype

No. (95% CI)

n = 100

Sacroiliitis

No. (95% CI)

n = 100

SpA mimics

No. (95% CI)

n = 100

Chronic back pain

No. (95% CI)

n = 100

Yes AxSpA

162 [27.0] (23.5–30.7)

87 (78.8–92.9)

38 (28.5–48.3)

27 (18.6–36.8)

7 (2.9–13.9)

2 (0.2–7.0)

1 (0.0–5.5)

No AxSpA

409 [68.2] (64.3–71.9)

4 (1.1–9.9)

57 (46.7–66.9)

63 (52.8–72.4)

89 (81.2–94.4)

97 (91.5–99.4)

99 (94.6–100.0)

Uncertain AxSpA

29 [4.8] (3.3–6.9)

9 (4.2–16.4)

5 (1.6–11.3)

10 (4.9–17.6)

4 (1.1–9.9)

1 (0.0–5.5)

0 (0.0–3.6)

  1. No. number, CI confidence interval