Table 2

Ultrasound inflammatory signs in erosive and non-erosive joints of 28 patients with EOA and 27 patients with non-EOA

Erosive joints (n=94)Non-erosive joints (n=896)p Value (χ2 test)
PDS
 No. of affected joints (%)14 (15)72 (8)0.02
 Distribution of grades, no. (%)
  080 (85)824 (92)
  110 (11)56 (6)
  24 (4)13 (2)
  30 (0)3 (0.3)0.07*
Synovial thickening
 No. of affected joints (%)12 (13)92 (10)0.45
 Distribution of grades, no. (%)
  082 (87)804 (90)
  13 (3)55 (6)
  27 (7)30 (3)
  32 (2)7 (1)0.08*
Effusion
 No. of affected joints47 (50)230 (26)<0.001
 Distribution of grades, no. (%)
  047 (50)666 (74)
  132 (34)174 (19)
  213 (14)42 (5)
  32 (2)14 (2)<0.001*
  • *p Value for comparison of the distributions.

  • EOA, erosive hand osteoarthritis; PDS, power Doppler signal.