TABLE 3.
Medical Resource Utilization (Per Patient Using the Relevant Medical Resource) by Treatment Period for the Total Population and for Each Persistence Pattern Subgroupa
| Category | Total Population N = 23,645 | Continuers n = 12,224 | Interrupters n = 11,421 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Initial Year, Mean (SD) | Experienced Year, Mean (SD) | P Valueb | Initial Year, Mean (SD) | Experienced Year, Mean (SD) | P Valueb | Initial Year, Mean (SD) | Experienced Year, Mean (SD) | P Valueb | |
| Medical (diabetes-related) | |||||||||
| Emergency department, visits | 0.28 (1.019) | 0.32 (1.087) | 0.010 | 0.26 (0.911) | 0.28 (0.974) | 0.490 | 0.32 (1.123) | 0.36 (1.194) | 0.004 |
| Inpatient | |||||||||
| Inpatient visits | 0.14 (0.470) | 0.11 (0.426) | < 0.001 | 0.12 (0.435) | 0.10 (0.387) | < 0.001 | 0.15 (0.506) | 0.13 (0.464) | < 0.001 |
| Inpatient stays, days | 0.47 (2.646) | 0.51 (3.300) | 0.137 | 0.38 (2.296) | 0.42 (2.572) | 0.037 | 0.55 (2.973) | 0.60 (3.931) | 0.934 |
| Outpatient | |||||||||
| Primary care physician | 3.07 (3.107) | 2.53 (2.867) | < 0.001 | 3.24 (3.152) | 2.59 (2.913) | < 0.001 | 2.88 (3.047) | 2.47 (2.814) | < 0.001 |
| Endocrinologist | 0.55 (1.463) | 0.49 (1.285) | 0.526 | 0.57 (1.497) | 0.51 (1.311) | 0.807 | 0.54 (1.426) | 0.48 (1.256) | 0.507 |
| All-cause medical | |||||||||
| Emergency department, visits | 0.83 (2.217) | 0.90 (2.459) | 0.097 | 0.75 (1.930) | 0.78 (2.028) | 0.983 | 0.92 (2.484) | 1.02 (2.845) | 0.021 |
| Inpatient | |||||||||
| Inpatient visits | 0.35 (1.039) | 0.29 (0.964) | < 0.001 | 0.31 (0.957) | 0.26 (0.875) | < 0.001 | 0.39 (1.119) | 0.32 (1.049) | < 0.001 |
| Inpatient stays, days | 0.79 (4.078) | 0.87 (4.882) | 0.924 | 0.65 (3.481) | 0.73 (3.886) | 0.531 | 0.94 (4.627) | 1.02 (5.757) | 0.641 |
| Outpatient | |||||||||
| Primary care physician | 7.29 (7.776) | 6.54 (7.438) | < 0.001 | 7.62 (7.930) | 6.71 (7.741) | < 0.001 | 6.94 (7.593) | 6.35 (7.095) | < 0.001 |
| Endocrinologist | 0.70 (1.779) | 0.63 (1.579) | 0.722 | 0.70 (1.785) | 0.63 (1.579) | 0.922 | 0.70 (1.772) | 0.63 (1.579) | 0.541 |
aAll-cause medical resources, except primary care physician visits (used by 88.9%-92.7% of patients) and emergency department visits (used by 23.0%-31.2% of patients), were used by 11.2%-19.9% of patients across all groups and all time periods.
bComparison between initial year (year 1) and experienced year (year 2) of basal insulin use; Wilcoxon test.
SD = standard deviation.