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Table 5 SI joint pain ratings by history of prior lumbar spinal fusion

From: Open versus minimally invasive sacroiliac joint fusion: a multi-center comparison of perioperative measures and clinical outcomes

  Open surgical fusion Minimally invasive fusion
Prior lumbar fusion Prior lumbar fusion
Yes No Yes No
N Mean (SD) N Mean (SD) N Mean (SD) N Mean (SD)
VAS pain score at baseline 33 7.0 (1.7) 106 7.2 (1.9) 53 8.5 (1.3) 60 8.1 (1.9)
VAS pain score at 12 months 30 5.4 (3.0) 84 4.4 (2.9) 51 3.0 (2.9) 43 1.5 (1.9)
VAS pain score at 24 months 10 6.7 (2.0) 48 5.4 (3.1) 17 1.9 (3.2) 21 1.5 (2.6)
Change in VAS pain score at 12 months 29 -1.8 (3.1) 84 -3.0 (3.2) 50 -5.5 (3.2) 43 -7.0 (2.8)
Change in VAS pain score at 24 months 10 -1.5 (1.9) 48 -2.1 (3.5) 17 -6.0 (3.7) 21 -5.2 (3.4)