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Table 4 Matrix representing relationships [r-values] between sagittal alignment, pain and function according to change at 6 weeks

From: Change of sagittal spinal alignment and its association with pain and function after lumbar surgery augmented with an interspinous implant

  LL SI PDA SDA RSB BP LP
SI −0.65       
PDA 0.49 −0.32      
SDA 0.57 −0.15 −0.03     
RSB −0.69 0.20 −0.52 −0.38    
BP −0.37 0.23 −0.27 −0.24 0.33   
LP −0.26 0.05 −0.19 −0.38 0.40 0.67  
Function −0.45 0.24 −0.24 −0.35 0.43 0.71 0.73
  1. LL lumbar lordosis, SI sacral inclination, PDA primary disc angle, SDA supradjacent disc angle, and RSB regional sagittal balance, BP back pain, LP leg pain. Statistically significant relationships are indicated in bold (p < 0.05)