| 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 |