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Table 1 Comparison of the baseline information of the two groups

From: Follow-up results of microendoscopic discectomy compared to day surgery using percutaneous endoscopic lumbar discectomy for the treatment of lumbar disc herniation

Groups PELD MED t/χ2 test P-value
Male/female 154 / 113 75 / 41 1.638 0.201
Age (years) 47.2 ± 13.2 49.0 ± 10.9 - 1.276 0.203
BMI 24.1 ± 3.4 23.6 ± 2.6 - 0.372 0.710
VAS-B 1.9 ± 1.4 2.1 ± 1.0 - 1.318 0.188
VAS-L 6.8 ± 1.0 6.7 ± 0.9 0.397 0.691
ODI (%) 63.5 ± 10.2 62.5 ± 7.3 1.039 0.300