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Retrospective Cohort Study
©The Author(s) 2025.
World J Orthop. Dec 18, 2025; 16(12): 102402
Published online Dec 18, 2025. doi: 10.5312/wjo.v16.i12.102402
Table 3 Association between pre surgery visual analogue scale and ultrasound guided femoral nerve block adjusted for other independent variables
PredictorsPre-surgery VAS
Incidence rate ratios
95%CI
P value
US guided femoral nerve block0.850.76-0.950.006
Age0.990.99-1.00< 0.001
ASA score0.880.81-0.950.002
Extra capsular fracture0.820.71-0.950.007
IHD1.211.07-1.360.003


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