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. 2022 Jan 4;9:810173. doi: 10.3389/fped.2021.810173

Table 2.

Annually newly diagnosed cases according to the Paris classification age.

Paris classification age, n (%) 2017 2018 2019 2020
IBD
  0–9 12 (35.3) 4 (11.8) 10 (29.4) 8 (23.5)
  10–16 31 (18.8) 35 (21.2) 37 (22.4) 62 (37.6)
  17–18 20 (19.1) 18 (17.1) 35 (33.3) 32 (30.5)
CD
  0–9 8 (32.0) 3 (12.0) 9 (36.0) 5 (20.0)
  10–16 22 (17.2) 28 (21.9) 30 (23.4) 48 (37.5)
  17–18 9 (14.0) 13 (20.3) 20 (31.3) 22 (34.4)
UC
  0–9 4 (44.4) 1 (11.1) 1 (11.1) 3 (33.3)
  10–16 9 (24.4) 7 (18.9) 7 (18.9) 14 (37.8)
  17–18 11(26.8) 5 (12.2) 15 (36.6) 10 (24.4)

IBD, inflammatory bowel disease; CD, Crohn's disease; UC, ulcerative colitis.