Table 1

Baseline Patient Characteristics

CharacteristicValue
Age, yr51±11
Female gender48%
Back pain severity7.8±1.7
Oswestry Disability Index (%)*60±15
Primary diagnosis
 • Degenerative disc disease38
 • Spondylolisthesis10
 • Spinal stenosis4
 • Radiculopathy3
 • Revision surgery3
Global (L1-S1) lordosis, °48±9
Segmental (L4-S1) lordosis, °32±9
  • Values are mean ± SD or n (%).

  • * Collected on 38 of 58 patients.