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Table 1 Demographics, clinical, imaging and laboratory characteristics of the included patients and controls

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)
Ozone group
(n=45)
Control group
(n=45)
P-value
Age [Mean (SD)] 55.13 (13.22) 58.93 (13.28) 54.91 (12.37) 0.258
Sex Males [n (%)] 27 (60%) 28 (62.2%) 22 (48.9%) 0.392
Females [n (%)] 18 (40%) 17 (37.8%) 23 (51.1%)
Duration of pain in months [Mean (SD)] 21.56 (14.96) 23.56 (15.56) 21.82 (14.39) 0.79
Number of prolapsed discs [Mean (SD)] 2.71 (0.99) 2.76 (0.98) 2.78 (0.95) 0.947
Degree of the most prolapsed disc Bulge [n (%)] 21 (46.7%) 17 (37.8%) 16 (35.6%) 0.857
Protrusion [n (%)] 16 (35.6%) 18 (40.0%) 19 (42.2%)
Herniation [n (%)] 8 (17.8%) 10 (22.2%) 10 (22.2%)
NRS before intervention [Mean (SD)] 8.44 (1.24) 8.58 (1.29) 8.511 (1.12) 0.874
ODI before intervention [Mean (SD)] 62.13 (10.16) 59.96 (10.18) 62.84 (9.63) 0.363
FRI before intervention [Mean (SD)] 68.97 (17.2) 69.24 (18.02) 69.04 (16.98) 0.997
SAPS [Mean (SD)] 24.1556 (2.75) 23.33 (2.98) 21.67 (2.056) >0.001*
SOD serum level before intervention [Mean (SD)] 12.4 (2.78) 12.12 (3.07) 12.75 (2.8) 0.593
GSH serum level before intervention [Mean (SD)] 24.46 (6.76) 25.42 (6.62) 24.61 (6.55) 0.763
  1. FRI Functional rating index, GSH Glutathione, NRS Numeric rating scale, ODI Oswestry back disability, SAPS Short assessment of patient satisfaction, SOD Superoxide dismutase
  2. *P-value ≤ 0.05 is considered significant