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 1 Clinical characteristics of the participants.

Variable	Mean	SD	Median	Interquartile range
Age	60.94	11.110	64.00	54.5 to 68.5
Sex	1.59	0.51	2.00
Current number of screws	7.41	2.09	8.00	6–8
Number of loose screws	2.76	1.25	2.00	2–4
Number of loose screws after revision	1.65	1.90	2.00	0–3
Body mass index	29.46	4.37	30.40	26.55 to 32.80
T-SCORE	−1.28	1.00	−1.30	−2.05 to 0.056

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