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

Table 4 Improvements in SI joint pain at 12- and 24- months post-operatively

	Open surgical		Minimally invasive
	Fusion		Fusion
Change Category	12 Mo	24 Mo	12 Mo	24 Mo
Improvement of at least 2 points	69 (61.1%)	29 (50.0%)	80 (86.0%)	31 (81.6%)
Improvement of <2 points	17 (15.0%)	7 (12.1%)	6 (6.5%)	1 (2.6%)
No change or worsening	27 (23.9%)	22 (37.9%)	7 (7.5%)	6 (15.8%)
Improvement of at least 2.5 points or postoperative score <3.5 points	66/114 (58%)	27/58 (47%)	81/94 (86%)	31/38 (82%)

ISSN: 1750-1164