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Table 1 Relationship between Patient Characteristics and Statin Adherence

From: Impact of prescription size on statin adherence and cholesterol levels

  Total (n = 3386) ≥ 80% adherence (n = 1610) < 80% adherence (n = 1776) PValue
Age (years), mean (SD) 57.8 (10.9) 58.7 (10.7) 57.0 (11.0) <0.001
Gender, n (%)     
   Female 1932 (57.1) 881 (54.7) 1051 (59.2) 0.009
   Male 1454 (42.9) 729 (45.3) 725 (40.8)  
Race, n (%)     
   Hispanic 1584 (46.8) 683 (42.4) 901 (50.7)  
   White 919 (27.1) 515 (32.0) 404 (22.8) <0.001
   Black 638 (18.8) 276 (17.1) 362 (20.4)  
   Other 245 (7.2) 136 (8.5) 109 (6.1)  
Insurance, n (%)     
   Insured 989 (29.2) 485 (30.1) 504 (28.4) 0.26
   Uninsured 2397 (70.8) 1125 (69.9) 1272 (71.6)  
No. of comorbidities, mean (SD) 4.3 (2.0) 4.5 (2.0) 4.1 (2.0) <0.001
Diabetics, n (%) 1687 (49.8) 781 (48.5) 906 (51.0) 0.15
$0 co-pay, n (%) 2695 (79.6) 1276 (79.3) 1419 (79.9) 0.64
Days in study, mean (SD) 571.6 (315.7) 546.2 (338.1) 594.6 (292.2) <0.001
No. of statin prescriptions, mean (SD) 8.0 (5.2) 9.5 (5.9) 6.6 (4.1) <0.001
Days supply, n (%)     
   30 day 833 (24.6) 303 (18.8) 530 (29.8) <0.001
   60 day 2553 (75.4) 1307 (81.2) 1246 (70.2)  
Cholesterol (mg/dl)*, mean (SD) 186.8 (47.9) (n = 3292) 176.8 (42.2) (n = 1573) 195.9 (50.8) (n = 1719) <0.001
  1. Data are either n (%) per group with P Values determined from chi-squared tests or mean (standard deviation) with two sample t test P Values.
  2. *Cholesterol values available on n = 3292 patients, multiply by 0.0259 to convert cholesterol to mmol/L.