Mean (SD) age, y | 73.3 (7.9) | 73.6 (7.7) | 73.5 (7.8) |
Male, n (%) | 31 (42) | 39 (51) | 70 (47) |
Median (SD) household income, $ | 69 954.21 (6553.34) | 68447 (6856.50) | 69180.50 (6730.70) |
Current smoker, n (%) | 2 (3) | 9 (12) | 11 (7) |
Comorbid medical condition, n (%) | 57 (78) | 58 (75) | 115 (77) |
Comorbid psychiatric condition, n (%) | 8 (11) | 9 (12) | 17 (11) |
Mean (SD) no. of hospital discharges | 3.01 (4.31) | 2.83 (2.74) | 2.92 (3.58) |
Mean (SD) duration of warfarin treatment within study period, d | 1170.65 (796.93) | 1272.64 (720.44) | 1223.01 (757.79) |