Pain Research and Management / 2019 / Article / Tab 5

Research Article

Numbness and Weakness Recovered at a Less Extent in Patients with Lumbar Disc Herniation after Percutaneous Endoscopic Lumbar Discectomy

Table 5

Demographics, preoperative ODI score, duration of preoperative symptoms, and imaging grade stratified by presence of numbness and/or weakness.

VariablesNumbness and/or weakness group (57)Pain alone group (29)p value#

Age, mean (SD)50 (16.0)48 (17.9)0.486
Male, n (%)31 (54.3)13 (44.8)0.403
BMI, mean (SD)25.3 (4.08)24.9 (3.24)0.690
Duration of symptoms, mean (SD)171 (290.3)16 (16.0)0.006#
Preop ODI, mean (SD)51.3 (23.0)45.6 (20.0)0.266
Imaging grade A, n (%)18 (31.5%)14 (48.2%)0.123#
Joint effect of duration of symptoms and imaging grade0.004#

For qualitative variables, the total number of patients and the percentage are provided. For quantitative variables, the mean and standard deviation are provided. These predictive variables are first assessed individually; the significance levels are also listed. #Indicates predictive variables included in the final model.

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