Table 1

Pretreatment characteristics of 77 patients

Vitamin E (SE) Placebo (SE) Difference (p value)
Proportion female (%)60570.83 (χ2)
Australian born (%)76540.04 (χ2)
Mean age67.1  (1.4)66.1  (1.5)0.62
BMI1-150 27.6 (0.8)30.5 (1.0)0.03
Dietary vitamin E4.7 (0.6)4.2 (0.3)0.45
Mean activity score6.0 (0.2)6.2 (0.2)0.61
Mean pain score76.4 (5.6)87.7 (5.5)0.15
Mean stiffness score38.8 (3.0)41.5 (2.9)0.51
Mean physical function score303.6 (21.4)325.8 (21.1)0.46
Mean pain frequency3.1 (0.18)3.2 (0.18)0.91
Categorical pain score2.0 (0.13)2.3 (0.16)0.14
Observer global score1.9 (0.12)2.2 (0.14)0.38
Radiological score (SE)4.9 (0.5)4.5 (0.5)0.57
NSAID1-150 frequency1.5 (1.8)1.5 (1.9)0.96
Analgesic frequency1.2 (1.4)1.2 (1.5)0.87
  • 1-150 BMI = body mass index; NSAID = non-steroidal anti-inflammatory drug.