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Table 3 Most common prescription medications filled in non-VHA pharmacies by dual enrolled patients, FY10

From: Pharmacy use by dual-eligible non-elderly veterans with private healthcare insurance

   Pharmacy user status  
Medicationa All patients
N = 3773
n (%)
Dual users
N = 1683
n (%)
Non-VHA only users
N = 2935
n (%)
Statistics: dual vs. non-VHA only users
X2; DF; p
Hydrocodone 963 (20.9) 347 (20.6) 616 (21.0) .09; 1; .766
Amoxicillin 853 (18.5) 338 (20.1) 515 (17.6) 4.6; 1; .033
Simvastatin 809 (17.5) 180 (10.7) 629 (21.4) 85; 1; <.001b
Azithromycin 802 (17.4) 304 (18.1) 498 (17.0) .89; 1; .344
Lisinopril 699 (15.1) 185 (11.0) 514 (17.5) 35; 1; <.001b
Omeprazole/esomeprazole 477 (10.3) 127 (7.6) 350 (11.9) 22; 1; <.001b
Prednisone 429 (9.3) 173 (10.3) 256 (8.7) 3.1; 1; .079
Cephalexin 422 (9.1) 172 (10.2) 250 (8.5) 3.7; 1; .053
Metoprolol 391 (8.5) 105 (6.2) 286 (9.7) 17; 1; <.001b
Hydrochlorothiazide 374 (8.1) 92 (5.5) 282 (9.6) 25; 1; <.001b
Metformin 338 (7.3) 82 (4.9) 256 (8.7) 23; 1; <.001b
Ciprofloxacin 313 (6.8) 129 (7.7) 184 (6.3) 3.3; 1; .069
Levofloxacin 292 (6.3) 118 (7.0) 174 (5.9) 2.1; 1; .146
Cyclobenzaprine 289 (6.3) 88 (5.2) 201 (6.9) 4.8; 1; .029
Atorvastatin 243 (5.3) 41 (2.4) 202 (6.9) 42; 1; <.001b
  1. aIncludes all single agent and combination products that contain the ingredient medication (e.g. lisinopril includes combination formulations with other active ingredients such as hydrochlorothiazide; amoxicillin includes amoxicillin plus clavulanate combination products). Cell counts represent the number of unique patients who received each medication during FY10
  2. bStatistically significant difference based on Bonferroni correction for multiple comparisons (α = 0.0033)