Table 3

AClinical outcome measures.

Clinical Outcome MeasuresRIBGIBG Control P Value RIBG vs IBG
Pseudarthrosis Repair (n = 7)PSF Extension (n = 10)Total(n = 17) P Value Preoperative vs PostoperativePseudarthrosis Repair (n = 17)PSF Extension (n = 19)Total(n = 36) P Value Preoperative vs Postoperative
Back pain VAS
 Preoperative7.3 ± 1.57.8 ± 1.57.6 ± 1.57.8 ± 1.27.6 ± 1.27.7 ± 1.2
 1-y Postoperative4.0 ± 3.23.7 ± 2.03.7 ± 2.6<0.0016.1 ± 2.33.8 ± 2.54.8 ± 2.6<0.001>0.1
 2-y Postoperative4.4 ± 1.83.5 ± 1.53.9 ± 1.7<0.0015.6 ± 2.84.5 ± 2.85.3 ± 2.8<0.001>0.1
Leg pain VAS
 Preoperative6.6 ± 1.96.5 ± 3.06.5 ± 2.56.6 ± 2.56.2 ± 2.56.4 ± 2.5
 1-y Postoperative3.9 ± 3.42.7 ± 2.53.2 ± 2.9<0.0014.4 ± 3.23.3 ± 2.53.8 ± 2.8<0.001>0.2
 2-y Postoperative4.5 ± 2.22.5 ± 2.23.2 ± 2.4<0.0014.7 ± 3.53.7 ± 3.04.2 ± 3.2<0.001>0.2
Oswestry Disability Index
 Preoperative62.3 ± 9.863.8 ± 18.263.1 ± 14.764.1 ± 15.357.5 ± 15.560.4 ± 15.5
 1-y Postoperative54.3 ± 15.243.2 ± 12.048.1 ± 14.50.00449.6 ± 18.640.9 ± 19.144.7 ± 19.1<0.004>0.4
 2-y Postoperative50.3 ± 18.542.3 ± 13.146.0 ± 15.8<0.00151.3 ± 19.844.3 ± 17.247.5 ± 18.5<0.004>0.4
  • Abbreviations: IBG, iliac bone graft; PSF, posterior spinal fusion; RIBG, reconstructed iliac bone graft; VAS, visual analog scale.

  • Note: Data presented as mean ± SD. P values describe change in values.