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

Egyptian Journal of Radiology and Nuclear Medicine

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

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