Table 1—

Demographic, use, and HEDIS diabetes measure variables among 6,799 patients enrolled in disease management (program) versus those not in disease management (nonprogram)

VariableProgramNonprogramObserved statisticP
n (%)3,118 (45.9)3,681 (54.1)
Demographic
 M/F (%)1,589/1,529 (50.9/49.0)1,947/1,734 (52.9/47.1)χ2 = 2.520.1123
 Mean years of age (CI)69.5 (0.215)70.9 (0.188)T = 3.540.0001
 Months enrollment duration (CI)56.6 (0.724)42.5 (0.724)T = 17.660.0001
 Pharmacy benefit (%)1,615 (51.8)1733 (47.1)χ2 = 15.040.0001
 Insurance type
  Commercial/medicare (%)771/2,347 (24.7/75.3)592/3,089 (16.1/83.9)χ2 = 78.740.0001
Use
 Mean member per month paid charges (CI)$394.62 (29.43)$502.48 (42.23)F = 18.61<0.0001*
 Mean inpatient admissions per member per year (CI)0.12 (0.02)0.16 (0.02)F = 4.940.026*
 Mean inpatient days per member per year (CI)*0.56 (0.10)0.98 (0.25)F = 8.570.003*
 Mean emergency room visits per member per year (CI)*0.49 (0.05)0.56 (0.05)F = 2.320.128*
 Mean primary care office visits per member per year (CI)*8.36 (0.22)7.78 (0.20)F = 10.550.001*
HEDIS
 HbA1c testing (%)3,019 (96.6)3,083 (83.8)χ2 = 313.440.0001
 HbA1c uncontrolled (%)35 (6.7)79 (14.4)χ2 = 17.040.0001
 Lipid testing (%)2,840 (91.1)2,856 (77.6)χ2 = 226.240.0001
 Eye screening (%)2,469 (79.1)2,388 (64.9)χ2 = 167.830.0001
 Kidney screening (%)2,135 (68.5)1,446 (39.3)χ2 = 577.00.0001
  • Data are n (%) or mean (CI), as indicated.

  • *

    * P value controlling for age, sex, presence of pharmacy, enrollment duration, and insurance type;

  • based on 526 program patients and 548 nonprogram patients;

  • based on 3,118 program patients and 3,681 nonprogram patients.