Pedicle Screw Loosening After Lumbar Spinal Stenosis Surgery and an Analytical Review of Recurrent Loosening: Based on Revision Surgery Experience

23 April 2026 : Clinical Research

Ömer Faruk Şahin

^{DEF 1*}, Oğuzhan Uzlu

^{DEF 2}, Halil İbrahim Açıkgöz^{B 1}, Bekir Tunç^{F 1}, Durmuş Oğuz Karakoyun^{A 3}, Egemen Ünal^{C 4}, Mağruf İlkay Yapakcı^{B 1}

DOI: 10.12659/MSM.951549

Med Sci Monit 2026; 32:e951549

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Table 2 Distribution of group A and group B according to clinical variables in the study.

Variable		Group A (n, %)	Group B (n, %)	Total (n, %)	Fisher exact test P value
Age, y	<60	4 (80.0%)	1 (20.0%)	5 (29.4%)	0.111
	>60	4 (33.3%)	8 (66.7%)	12 (70.6%)
	Total	8 (47.1%)	9 (52.9%)	17 (100.0%)
BMI	No obesity	4 (57.1%)	3 (42.9%)	7 (41.1%)	0.419
	Obesity	4 (40.0%)	6 (60.0%)	10 (58.9%)
	Total	8 (47.1%)	9 (52.9%)	17 (100.0%)
BMD	Normal	5 (71.4%)	2 (28.6%)	7 (41.2%)	0.198
	Osteopenia	3 (30%)	7 (70%)	10 (58.8%)
	Total	8 (47.1%)	9 (52.9%)	17 (100.0%)
DM	No	2 (28.6%)	5 (71.4%)	7 (41.1%)	0.218
	Yes	6 (60.0%)	4 (40.0%)	10 (58.9%)
	Total	8 (47.1%)	9 (52.9%)	17 (100.0%)
Cigarette	No	5 (45.5%)	6 (54.5%)	11 (64.7%)	0.627
	Yes	3 (50.0%)	3 (50.0%)	6 (35.3%)
	Total	8 (47.1%)	9 (52.9%)	17 (100.0%)
Alcohol	No	7 (46.7%)	8 (53.3%)	15 (88.2%)	0.735
	Yes	1 (50.0%)	1 (50.0%)	2 (11.8%)
	Total	8 (47.1%)	9 (52.9%)	17 (100.0%)
BMI – body mass index; BMD – bone mineral density; DM – diabetes mellitus.

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