Table 2.

Characteristics of Women With Mammograms Performed Before Initiation of Warfarin Therapy and Untreated Controls

WarfarinUntreatedP Value
n159159
Age, y66.1+1.0 (40–88)66.4+1.1 (40–88)1.00
Diabetes mellitus, %32.732.71.00
Race, %
 White61.356.00.85
 Black31.331.3
 Other2.02.7
 Unknown5.310.0
Serum values, mg/dL
 Creatinine0.92+0.02 (0.33–1.85)0.83+0.02 (0.30–1.62)0.002
 Calcium9.27+0.04 (7.1–10.7)9.31+0.04 (6.9–10.4)0.46
 Phosphorus3.62+0.10 (1.7–7.4; 84)3.33+0.08 (1.9–4.6; 55)0.04
 LDL cholesterol103±3 (27–322; 136)108±3 (40–195; 134)0.24
 HDL cholesterol56±1 (15–100; 137)59±1 (24–114; 135)0.035
Triglycerides121±6 (28–463; 139)113±5 (33–485; 135)0.31
Statin use, %10.19.41.00
Indication*, %
 AF43.4
 DVT/PE47.2
 Other12.6
Years before warfarin0.80+0.06 (0.01–6.2)
  • Range and number of subjects if less than total are given in parentheses.

  • AF indicates atrial fibrillation; DVT, deep venous thrombosis; HDL, high-density lipoprotein; LDL, low-density lipoprotein; and PE: pulmonary embolus.

  • * Some patients had >1 indication.