Results
sixty-eight people were included in this investigation. The
average age of the patient group was forty-seven years
(range, twenty-one to seventy-six years) compared with fortyfive
years (range, twenty-eight to sixty-three years) for the
controls. There were eighteen men and sixteen women in the
patient population compared with sixteen men and eighteen
women in the control group. The average weight of the individuals
was 183 lb [83 kg] (range, 104 to 345 lb [47.2 to
156.5 kg]) in the patient group and 171 lb [77.6 kg]