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Table 4 Comparison between GNB and IACSI groups according to decrease in VAS from baseline

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

Decrease in VAS from baseline IACSI (n = 20) GNB (n = 20) p
Baseline—2 week    
 Min.–Max 35–55 50–67 < 0.001*
 Mean ± SD 44.90 ± 6.09 58.50 ± 4.52  
Baseline—4 week    
 Min.–Max 28–50 45–62 < 0.001*
 Mean ± SD 39.40 ± 6.48 53.50 ± 4.52  
Baseline—8 week    
 Min.–Max 2–10 0–20 0.006*
 Mean ± SD 5.60 ± 1.93 9.25 ± 5.37  
  1. p: p value for comparing between the studied groups
  2. *: Statistically significant at p ≤ 0.05