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Table 1 Summary findings of musculoskeletal US scanning of the forefeet and hands

From: A pilot investigation of the prevalence of US-detectable forefoot joint pathology and reported foot-related disability in participants with systemic lupus erythematosus

 

Prevalence % (n)

Median Score

Interquartile range

MCP Joint SH

60 (12)

1.5

0–3.75b

MCP Joint PD

30 (6)

0.0

0–1b

MTP Joint SH

80 (16)

2.0

1–2b

MTP Joint PD

10 (2)

0.0

0–0b

Bursaa present

100 (20)

9.5

8–11.75c

Bursaa PD

100 (20)

3.0

2–3.75d

  1. aSubmetatarsal and intermetatarsal bursa
  2. bOut of a possible combined score range of 0–30(using US grading of 0 to 3 for both SH and PD for each of the 10 MCP and10 MTP joints)
  3. cOut of a possible score range of 0–18 (5 submetatarsal and 4 intermetatarsal bursa on each foot)
  4. dOut of a possible combined score range of 0–54 (using US grading of 0 to 3 for each of the 18 bursal spaces imaged per patient)