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Table 1 Encounter characteristics associated with statin and ACEI/ARB prescribing at in-person office visits at 10 community health centers in Oregon where the medication(s) was/were clinically indicateda, June 2011 to May 2014

From: Cardiovascular care guideline implementation in community health centers in Oregon: a mixed-methods analysis of real-world barriers and challenges

  Office visitsb where a statin indicated Office visitsb where an ACEI/ARB was indicated
Number of encountersc % with an statin Rx < = 2 days p-value Number of encountersc % with an ACEI/ARBs Rx < = 2 days p-value
Total 11588 (13.2)   9887 (15.8)  
Encounters
 Diabetes encounterd    <.0001    <.0001
 # encounters for patient in last year with same provider <.0001    <.0001
  0 3114 (14.3)   2669 (21.9)  
  1-3 4345 (16.8)   3455 (18.4)  
   > = 4 4129 (8.7)   3763 (9.2)  
 # encounters for patient in last year at same clinic <.0001    <.0001
  0 1186 (22.9)   1091 (37.2)  
  1-3 4114 (18.4)   3202 (20.5)  
   > = 4 6288 (8.0)   5594 (9.0)  
 Diabetes encounterd    <.0001    <.0001
  No 5082 (6.2)   4388 (8.7)  
  Ye 6506 (18.7)   5499 (21.5)  
 Encounter provider type    0.0003    <.0001
  Physician/Resident 6810 (12.3)   6256 (13.6)  
  PA/NP 4778 (14.6)   3631 (19.6)  
 Encounter provider was PCP?    <.0001    <.0001
  No 2092 (7.1)   1672 (10.0)  
  Yes 9257 (14.5)   7988 (16.8)  
  Missing/Unknown 239 (19.2)   227 (25.6)  
 Nurse touched chart in encounter?    <.0001    0.0007
  No 8383 (12.3)   7190 (15.1)  
  Yes 3205 (15.6)   2697 (17.9)  
 # non-study alerts fired at encounter   0.5615    0.0046
  0 2076 (13.0)   1681 (17.3)  
  1-2 6376 (13.0)   5650 (14.8)  
   > = 3 3136 (13.8)   2556 (17.2)  
  1. Abbreviations: ACEI angiotensin-converting enzyme inhibitor, ARB angiotensin II receptor blockers; PA Physician’s Assistant, Pcp primary care provider assigned to patient, NP Nurse Practitioner
  2. aPoint-of-care alert for specified drug class fired at the visit
  3. bOffice visits defined as in-person encounters at a study clinic where the provider was a MD, PA, NP, or resident, and the encounter Evaluation & Management CPT code was in: 99201-99205; 99212-99215; 99243; 99385-99387; 99395-99397
  4. cVisit counts are not mutually exclusive, e.g., if both types of BPA fired at a visit, the visit is counted in both the statin and ACEI/ARB columns. p-value from chi square test for independence between characteristic and outcome of Rx < = 2 days
  5. dDiabetes encounter = DM listed as chief complaint or DM listed as the primary Dx for visit, or DM was the first Dx associated with visit