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Table 1 Cohort description at baseline

From: (Dis)agreement of polymyalgia rheumatica relapse criteria, and prediction of relapse in a retrospective cohort

Variables

Total n = 417

(100%)

Age in years, mean (SD)

66.4

(8.8)

Sex female

233

(55.9%)

Positive medical history for

  

Malignancy

51

(12.2%)

cardiovascular disease

59

(14.1%)

Smoking1

  

No

197

(47.2%)

Stopped

87

(20.9%)

Active

52

(12.5%)

Pre-treatment symptom treatment in weeks, mean (SD)2

14

(13.7)

Presence of systemic symptoms

182

(43.6%)

(Suspected) presence of peripheral arthritis

64

(15.3%)

Shoulder pain/stiffness

  

No

11

(2.6%)

Unilateral

16

(3.8%)

Bilateral

390

(93.5%)

Hip pain/stiffness

  

No

39

(9.4%)

Unilateral

10

(2.4%)

Bilateral

368

(88.2%)

Movement restriction shoulders

  

No

222

(53.2%)

Unilateral

26

(6.2%)

Bilateral

169

(40.5%)

Movement restriction hips

  

No

325

(77.9%)

Unilateral

26

(6.2%)

Bilateral

66

(15.8%)

CRP in mg/L, median (IQR)3

29

(15–52.5)

ESR in mm/h, median (IQR)4

37

(26–51)

Hb in mmol/L, median (IQR)5

8.2

(7.6–8.6)

  1. SD, standard deviation; n, number; IQR, interquartile range; CRP, C-Reactive Protein; ESR, erythrocyte sedimentation rate; Hb, hemoglobin
  2. 1n = 336, 2n = 411, 3n = 364, 4n = 396, 5n = 317