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Table 2 Ultrasound findings by disease status

From: Hidden musculoskeletal involvement in inflammatory bowel disease: a multicenter ultrasound study

  IBD SpA HC
All joints 21 (48.8 %) 8 (40 %) 4 (8.9 %)*
MCP 3 (5.2 %) 1 (1.31 %) 0 (0 %)*
Knee 12 (15.8 %) 6 (30 %) 2 (4.4 %)*
Ankle 7 (11.3 %) 7 (35 %)** 0 (0 %)*
1st MTP 17 (22.4 %) 8 (40 %) 2 (4.4 %)*
All entheseal sites 63 (82.9 %) 20 (100 %) 13 (28.9 %)*
Quadriceps tendon 31 (40.8 %) 11 (55 %) 2 (4.4 %)*
Patellar tendon 51 (67.1 %) 19 (95 %)** 2 (4.4 %)*
Achilles tendon 33 (43.4 %) 13 (65 %) 5 (11.1 %)*
Plantar fascia 19 (25 %) 12 (60 %)** 2 (4.4 %)*
Entheseal power Doppler 25 (32.9 %) 11 (55 %) 0 (0 %)*
  1. Number of subjects with the alteration and their relative prevalence (%)
  2. IBD inflammatory bowel disease, SpA spondyloarthritis, HC healthy controls
  3. *IBD vs HC p < 0.0001; **IBD vs SpA p < 0.01