marginally significantP = 0.12
Comparisons of baseline values between treated and untreated patients at 2 years indicate significantly worse condition for RMDQ (P<0.0001), Likert score (P = 0.014) and VAS leg pain score (P = 0.011), as higher baseline scores are observed for surgically treated patients compared to non-operative and marginally significant for VAS low back pain (P = 0.12).