Poisson log-linear regression demonstrated sex ( χ 2 =19.9, p <0.001), race ( χ 2 =39.5, p <0.001), diabetes ( χ 2 =10.1, p =0.001), smoking ( χ 2 =18.5, p <0.001), hypertension ( χ 2 =16.4, p <0.001), age ( χ 2 =102.4, p <0.001), and BMI ( χ 2 =4.7, p =0.029) as significant predictors of revision, with steroid use ( χ 2 =3.5, p =0.061) and functional status ( χ 2 =3.7, p =0.055) approaching significance.
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Patient Factors Associated with Recurrent Herniation and Revision Surgery following Lumbar Microdiscectomy.
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