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Table 3 The improvement in OKS at 2, 4, and 8 weeks as compared to baseline values in each group

From: Intra-articular corticosteroid injection and genicular nerve block under ultrasound guidance in pain control of knee osteoarthritis

OKS Baseline 2 weeks 4 weeks 8 weeks
IACSI (n = 20)     
 Min.–Max 45–55 20–30 25–35 40.– 50
 Mean ± SD 51.30 ± 3.21 24.85 ± 4.03 31.20 ± 3.04 46.05 ± 3.39
p   < 0.001* < 0.001* < 0.802
GNB (n = 20)     
 Min.–Max 50–57 15–25 20–30 40–50
 Mean ± SD 53.25 ± 2.59 19.75 ± 1.97 24.65 ± 2.01 44.75 ± 3.80
p   < 0.001* < 0.001* < 0.795
  1. p: p value for comparing between baseline and each periods in two groups
  2. *: Statistically significant at p ≤ 0.05