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Table 1 Demographic data of the patients in microendoscopic laminectomy and open groups

From: Comparison between microendoscopic laminectomy and open posterior decompression surgery for single-level lumbar spinal stenosis: a multicenter retrospective cohort study

 

MEL Group

Open Group

p

Mean age (years, range)

74.6 (39–88)

73.8 (38–88)

0.38

Gender (M/F)

69/61

68/54

0.92

Average height (cm, range)

156.9

(135.0–180.3)

159.6

(141.0–179.5)

0.95

Average body weight (kg, range)

60.2

(32.9–101.0)

61.8

(41.2–97.6)

0.34

BMI (range)

24.1(18.0–34.9)

24.8 (18.1–31.3)

0.52

Type of spinal canal stenosis

(Central/lateral recess)

58/64

55/62

0.94

  1. MEL, microendoscopic laminectomy, BMI, body mass index