Table 2.
Descriptive Statistics of Prevalent Users in “Different Criteria, Same Time” Analysis
| Number of Subjects | Cohort #1 | Cohort #2 | Cohort #3 | Cohort #4 |
|---|---|---|---|---|
| 7,297 | 6,383 | 6,762 | 6,079 | |
| Index date | February 1, 2002 | February 1, 2002 | February 1, 2002 | February 1, 2002 |
| Original or alternative cohort | Alternative 2 in 12 | Original 3&9 | Alternative 6&6 | Alternative 2 in 6 |
| Age (mean/SD) | 63.9 (10.6) | 64.1 (10.5) | 64.1 (10.5) | 64.1 (10.5) |
| <56 years (%) | 25.5 | 25.0 | 25.1 | 25.0 |
| 56–65 (%) | 25.1 | 25.2 | 25.2 | 25.0 |
| 66–75 (%) | 34.4 | 34.8 | 34.7 | 34.7 |
| 76–85 (%) | 14.6 | 14.7 | 14.7 | 14.9 |
| >85 (%) | 0.3 | <1 | 0.3 | 0.3 |
| Female (%) | 2.1 | 2.2 | 2.2 | 2.1 |
| Married (%) | 60.2 | 60.9 | 60.6 | 60.7 |
| White (%) | 64.5 | 64.9 | 64.5 | 65.0 |
| Non-white (%) | 16.3 | 15.3 | 15.8 | 15.6 |
| Unknown race (%) | 19.2 | 19.8 | 19.6 | 19.4 |
| Copay exempt from low income (%) | 48.0 | 48.0 | 48.0 | 48.5 |
| Copay exempt from disability (%) | 37.0 | 36.6 | 36.7 | 36.4 |
| Must pay copay (%) | 15.0 | 15.4 | 15.3 | 15.1 |
| DCG score (mean/SD) | 1.0 (1.4) | 1.0 (1.4) | 1.0 (1.3) | 1.0 (1.3) |
| Diabetes complication severity index | 2.1 (1.7) | 2.1 (1.7) | 2.1 (1.7) | 2.1 (1.7) |
| Hypertension (%) | 68.5 | 68.9 | 68.4 | 68.8 |
| Overlap:% of original cohort present | 100 | – | 96.4 | 91.1 |
Note: All comparisons are statistically insignificant.