Table 3.

Time to biochemical failure by obesity and weight change among 97 patients

VariablenMean TBF (mo)P*
BMI at age 25
    Non-obese5734.40.83
    Overweight3031.7
    Obese633.7
BMI at age 40
    Nonobese3634.90.86
    Overweight3833.0
    Obese2031.5
BMI at diagnosis
    Nonobese2336.90.48
    Overweight4434.6
    Obese2926.6
Weight change age 25 to diagnosis (kg/y)
    Loss/no change/gain, <0.56439.00.005
    Gain, 0.5-1.52423.7
    Gain, >1.5716.7
  • Abbreviation: TBF, time to biochemical failure.

  • * Mann-Whitney U test.

  • Kruskal-Wallis test.