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J Am Med Inform Assoc 14:10-15 doi:10.1197/jamia.M2198
  • Original Investigation

Comparison of Methodologies for Calculating Quality Measures Based on Administrative Data versus Clinical Data from an Electronic Health Record System: Implications for Performance Measures

Table 5

DOQ Diabetes Measures Calculated from Expert Review Data for all Patients Identified as Having Diabetes: Comparison of Patients with Two Visits for Diabetes Vs. Patients with Zero or One Visit

Zero or One Visit for Diabetes Two visits for Diabetes
Measure (Probability, Fisher's Exact Test) N (%)* D* N (%)* D*
DM1: HbA1c Management (p < 0.001) 21 (68%) 31 91 (97%) 94
DM2: HbAlc Management Control (measure of poor control) (p = 0.27) 0 (0.0%) 21 6 (6.6%) 91
DM3: Blood Pressure Control (p = 0.05) 14 (45%) 31 57 (61%) 94
DM4: Lipid Measurement (p = 0.06) 22 (71%) 31 78 (84%) 94
DM5: LDL Cholesterol Level (p = 0.23) 21 (96%) 22 69 (89%) 78
DM6: Urine Protein Testing (p < 0.001) 17 (55%) 31 80 (85%) 94
DM7: Eye Exam (p = 0.03) 12 (41%) 29 55 (62%) 89
DM8: Foot Exam (p = 0.13) 2 (7%) 28 15 (17%) 91
  • * N = Numerator; D = Denominator; % = Percent with measure

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