Table 1—

Characteristics of patients at baseline

InitialMetforminUsual care
n7,2271,505
Mean age (years)58.3 ± 12.958.8 ± 13.1
Age <65 years/≥65 years (%/%)35/6538/62
Male/female (%/%)49.3/50.749.5/50.5
Race (%)
    White/Caucasian78.076.2
    African American16.217.5
    Asian2.92.7
    Other2.83.6
Mean body weight (lbs)204.0 ± 48.5203.2 ± 48.2
Mean body weight (kg)92.5 ± 22.092.2 ± 21.9
Mean diabetes duration (years)4.9 ± 5.94.7 ± 6.0
Previous therapy (%)
    Diet41.035.1
    Diet + sulfonylurea58.564.3
    Not reported0.50.5
  • Data are means ± SD. Information on age was not captured for three patients (two in the metformin group and one in the usual care group); these patients are not included in the percentages of patients stratified by age.