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Table 1 Characteristics of study participants

From: Faecal levels of calprotectin in systemic sclerosis are stable over time and are higher compared to primary Sjögren’s syndrome and rheumatoid arthritis

 

Age, years median (IQR)

Female sex, number (%)

Faecal calprotectin, μg/g, median (IQR)

ESSDAI/DAS28-CRP(3), median (IQR)

Systemic sclerosis (n = 93)

62 (51 to 70)

77 (83)

110 (42 to 210)

NA

Primary Sjögren’s syndrome (n = 44)

61 (55 to 68)

43 (98)

41 (<30 to 118)

7 (1 to 10)

Rheumatoid arthritis (n = 24)

66 (55 to 69)

20 (83)

43 (<30 to 93)

3.1 (2.1 to 3.9)

Healthy controls (n = 21)

56 (47 to 58)

17 (81)

<30 (<30 to 56)

NA

  1. DAS28-CRP(3), Disease Activity Score 28 based on CRP and 3 variables; ESSDAI, EULAR Sjögren’s Disease Activity Index; IQR, interquartile range; NA, not applicable.