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Table 1 Demographic and clinical data

From: No correlation between slip reduction in low-grade spondylolisthesis or change in neuroforaminal morphology and clinical outcome

  Total (N = 72)
Mean age at surgery (yrs) + 51 (±12)
Gender  
Male 33
Female 39
Level of fusion  
L3-L4 7
L4-L5 30
L5-S1 35
Origin of instability  
Isthmic 51
Degenerative 21
Meyerding classification  
I (1–25%) 36
II (26–50%) 36
Preoperative VAS* 69.0 (2.0 – 98.0)
Preoperative ODI* 44.4 (8.9 – 73.3)
  1. + Parameters are given as the mean and (± standard deviation).
  2. * Parameters are given as the median and (range).