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Table 1 Clinical phenotypes of 1215 1000IBD participants

From: The 1000IBD project: multi-omics data of 1000 inflammatory bowel disease patients; data release 1

No. of participants

1215

Age (Median ± IQR)

41 ± 25

Sex

 Male (%)

510 (41.97)

 Female (%)

705 (58.03)

Diagnosis

 Crohn’s Disease (%)

615 (50.62)

 Ulcerative Colitis (%)

495 (40.74)

 IBDU (%)

61 (5.02)

 Other (microscopic colitis, IBDI, reconsidering IBD diagnosis) (%)

44 (3.62)

Montreal Classification

 A: Age of Onset

  A1 (%)

159 (13.09)

  A2 (%)

710 (58.44)

  A3 (%)

253 (20.82)

 L: Disease Location (CD only)

  L1 (%)

224 (36.42)

  L2 (%)

120 (19.51)

  L3 (%)

255 (41.46)

  L4 (%)

65 (10.57)

 B: Disease Behaviour (CD only)

  B1 (%)

301 (48.94)

  B2 (%)

208 (33.82)

  B3 (%)

102 (16.58)

  Perianal

189 (30.73)

 E: Disease Extent (UC only)

  E1 (%)

57 (10.25)

  E2 (%)

162 (29.13)

  E3 (%)

299 (53.78)

 S: Disease Severity (UC only)

  S1 (%)

29 (5.22)

  S2 (%)

139 (25.00)

  S3 (%)

191 (34.35)

  S4 (%)

119 (21.40)

Age at Diagnosis in years (Median ± IQR)

27 ± 19

Disease Duration at Recruitment in years (Median ± IQR)

8 ± 12

Medication Exposure

 Steroids %

90.07

 Steroids CD %

91.99

 Steroids UC %

88.28

 Steroids IBDU %

88.33

 Immunosuppressors %

68.32

 Immunosuppressors CD %

79.08

 Immunosuppressors UC %

56.97

 Immunosuppressors IBDU %

56.67

 Biologicals %

37.30

 Biologicals CD %

55.07

 Biologicals UC %

17.37

 Biologicals IBDU %

25.00

 Mesalazines %

44.34

 Mesalazines CD %

18.06

 Mesalazines UC %

70.99

 Mesalazines IBDU %

83.33

Average Disease Activitya

 HBI (Average ± Standard Deviation)

2.99 ± 3.18

 SSCAI (Average ± Standard Deviation)

1.61 ± 1.97

  1. aFor each patient, the median disease activity was determined. For the entire group the average of the individual medians is presented here
  2. IQR interquartile range, CD Crohn’s disease, UC ulcerative colitis, IBDU inflammatory bowel disease undetermined, IBDI inflammatory bowel disease intermediate, HBI Harvey-Bradshaw Index, SSCAI Simple Clinical Colitis Activity Index