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Table 2 NRS, ODI, and FRI before and after Mg sulphate, Ozone and steroids injection

From: Comparative effect of transforaminal injection of Magnesium sulphate versus Ozone on oxidative stress biomarkers in lumbar disc related radicular pain

  Mg sulphate group (n=45)
Mean (SD)
Ozone group (n=45)
Mean (SD)
Control group (n=45)
Mean (SD)
NRS Before intervention 8.44 (1.24) 8.58 (1.29) 8.511 (1.12)
After 2 weeks 5 (2.25) 4.98 (2.47) 8.02 (1.25)
P- value <0.001* <0.001* <0.001*
P- value between groups <0.001*
Before intervention 8.44 (1.24) 8.58 (1.29) 8.511 (1.12)
After 1 months 4.29 (2.23) 4.13 (2.85) 8.38 (1.23)
P- value <0.001* <0.001* 0.135
P- value between groups <0.001*
Before intervention 8.44 (1.24) 8.58 (1.29) 8.51 (1.12)
After 3 months 3.24 (2.71) 3.62 (3.24) 8.4 (1.18)
P- value <0.001* <0.001* 0.168
P- value between groups <0.001*
Before intervention 8.44 (1.24) 8.58 (1.29) 8.511 (1.12)
After 6 months 4.09 (2.81) 8.4 (1.27) 8.49 (1.18)
P- value <0.001* 0.088 0.66
P- value between groups <0.001*
ODI Before intervention 62.13 (10.16) 59.96 (10.18) 62.84 (9.63)
After 2 weeks 36.8 (10.94) 38.36 (17.16) 61.07 (10.4)
P- value <0.001* <0.001* 0.005*
P- value between groups <0.001*
Before intervention 62.13 (10.16) 59.96 (10.18) 62.84 (9.63)
After 1 months 23.69 (8.25) 30.58 (15.51) 61.93 (10.23)
P- value <0.001* <0.001* 0.07
P- value between groups <0.001*
Before intervention 62.13 (10.16) 59.96 (10.18) 62.84 (9.63)
After 3 months 23.6 (7.36) 23.73 (11.28) 61.69 (10.2)
P- value <0.001* <0.001* 0.089
P- value between groups <0.001*
Before intervention 62.13 (10.16) 59.96 (10.18) 62.84 (9.63)
After 6 months 25.02 (10.07) 60.11 (10.39) 61.76 (9.86)
P- value <0.001* 0.425 0.071
P- value between groups <0.001*
FRI Before intervention 68.97 (17.2) 69.24 (18.02) 69.04 (16.98)
After 2 weeks 49.64 (17.28) 46.78 (19.14) 66.62 (17.33)
P- value <0.001* <0.001* 0.001*
P- value between groups 0.01*
Before intervention 68.97 (17.2) 69.24 (18.02) 69.04 (16.98)
After 1 months 39.6 (15.46) 40.6 (18.19) 68.09 (17.19)
P- value <0.001* <0.001* 0.189
P- value between groups <0.001*
Before intervention 68.97 (17.2) 69.24 (18.02) 69.04 (16.98)
After 3 months 32.42 (15.57) 33.73 (17.01) 68.73 (17.41)
P- value <0.001* <0.001* 0.654
P- value between groups <0.001*
Before intervention 68.97 (17.2) 69.24 (18.02) 69.04 (16.98)
After 6 months 25.0889 (13.27) 68.87 (18.04) 68.98 (17.38)
P- value <0.001* 0.102 0.926
P- value between groups <0.001*
  1. FRI Functional rating index, NRS Numeric rating scale, ODI Oswestry back disability
  2. *P-value ≤ 0.05 is considered significant