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Table 2 Changes in VAS global hand pain and FIHOA score between baseline and 6 months by treatment group

From: Can hybrid hyaluronic acid represent a valid approach to treat rizoarthrosis? A retrospective comparative study

  Sinovial H-L Group (n = 55) Triamcinolone Group (n = 45) Difference in change scores between groups
T0 T4 Change T0 T4 Change  
VAS pain (mm)
 Mean ± SD 58.52 ± 16.2 29.86 ± 20.13 -28.66 ± 16.92 61.75 ± 17.56 57.15 ± 14.46 −4.25 ± 6.85 24.41***
 Range 30–100 0–70 −60 − 10 30–90 30–80 -10-15  
FIHOA score
 Mean ± SD 12.16 ± 4.33 4.44 ± 4.42 −7.32 ± 5.33 12.9 ± 4.24 11.85 ± 3.53 −1.55 ± 1.3 5.77***
 Range 5–25 0–16 −16-4 −5-20 5–17 −5-0  
  1. VAS Visual Analogue Scale (VAS; 0–100 mm), FIHOA Functional Index for Hand Osteoarthritis scores (0–30 scale); T0: time of the first injection; T4: month 6
  2. ***p < 0.001 Wilcoxon rank-sum test