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Table 4 Association of the ultrasonographic changes with restrictive spirometry parameters in rheumatoid arthritis patients

From: Relation between pulmonary function tests and ultrasonographic changes of asymptomatic anterior chest wall joints in rheumatoid arthritis patients

  RA with restrictive spirometry parameters (14)
n (%)
RA with normal spirometry parameters (8)
n (%)
Test
( χ2)
P
SCJ synovitis 12 (85.7) 3 (37.5) 4.4 0.03*
SCJ PD activity 9(64.3) 0(00) 4.7 0.03*
SCJ erosion 10(71.4) 3 (37.5) 7.8 0.005*
SCJ osteophyte 1 (7.1) 3 (37.5) 3.1 0.08
MSJ ankylosing 8 (57.1) 0 (00) 22 0.000*
MSJ erosion 1 (7.1) 3 (37.5) 0.4 0.5
MSJ osteophyte 0 (00) 1 (12.5) 1.8 0.2
  1. *P value < 0.05 is significant
  2. *P value < 0.001 is highly significant
  3. This table shows a highly statistically significant difference between the restrictive pulmonary functions in AS patients and MSJ ankylosing and SCJ synovitis, power Dopppler activities, and erosions