Table 1.
Participant Characteristics
| |
Mean percentage or (SD) [range]a |
|
|---|---|---|
| Characteristic | Pump (n=20) | MDI (n=10) |
| Male | 75.0% | 40.0% |
| Race | ||
| White | 90.0% | 90.0% |
| Hispanic/Asian Indian | 10.0% | 10.0% |
| Age (years) | 15.1 (1.8) [12–18] | 15.4 (2.3) [12–18] |
| Weight (kg) | 64.8 (16.8) [41.9–111] | 62.4 (8.5) [52.8–75.4] |
| Height (cm) | 172 (11.2) [151–192] | 168 (12.4) [154–188] |
| BMI (kg/m2) | 21.6 (3.8) [17.3–32.5] | 22.2 (3.0) [18.4–27.3] |
| BMI z-scoreb | 0.3 (0.9) [−1.4 to 2.1] | 0.4 (0.6) [−0.5 to 1.2] |
| T1DM duration (years) | 7.8 (4.4) [1.7–14.8] | 6.2 (4.5) [1.1–15.5] |
| HbA1c (%) | 8.0 (0.8) [6.9–10.1] | 8.3 (1.3) [6.0–10.1] |
| Daily insulin (Days 1 and 3) | ||
| Total units (basal+bolus)/day | 57.5 (25.1) [18.6–146] | 59.9 (32.9) [20.0–180] |
| Basal (units) | 26.8 (13.5) [7.5–87.0] | 30.0 (12.9) [11.0–60.0] |
| Bolus (units) | 30.2 (16.0) [3.4–71.4] | 29.2 (22.5) [3.0–120] |
| Number of boluses/day | 6.2 (2.9) [1.0–17.0] | 2.9 (1.3) [1.0–6.0] |
| % basal | 48.9% | 53.0% |
| % bolus | 51.1% | 47.0% |
a
SD not adjusted for within-person correlation for insulin doses.
b
Using 2000 Centers for Disease Control and Prevention growth charts.
BMI, body mass index; HbA1c, hemoglobin A1c; MDI, multiple daily injections; T1DM, type 1 diabetes mellitus.