Table 2

Visual analogue scale (VAS), Oswestry Disability Index (ODI) and Short form-36 (SF-36) scores at different time intervals for the entire study population.

PreoperativePost-operative6 months1 year
VAS6.53.08(0.00)3.77(0.00)3.99(0.015)
ODI43.1623.25(.00)28.32(0.005)27.14(0.024)
SF-3637.91-41.46(0.066)42.89(0.086)
  • Figure in parentheses indicates p value when compared to the respective preoperative score. SF-36 scores were recorded only at 6 months and 1 year postoperatively.