Table 2 Summary data while on the insulin infusion protocol
STICU (n = 162) | MICU (n = 110) | CCU (n = 94) | pValue | |
|---|---|---|---|---|
Blood glucose at initiation of IIP, median (IQR), mg/dL | 188 (162–217) | 201 (170–268) | 227 (178–313) | < .0001 |
Insulin infusion rates, mean (SE)*, ml/hr | 1.7 (0.10) | 1.7 (0.12) | 2.0 (0.13) | 0.19 |
Hours until BG ≤ 150 mg/dL, mean (SD) | n = 159 4.6 (4.4) | n = 103 4.7 (4.4) | n = 89 4.9 (3.9) | 0.27 |
Patients > 150 mg/dL @ time point, n (%): | ||||
12 ± 2 hours | 37/158 (23) | 28/96 (29) | 24/82 (29) | 0.49 |
24 ± 2 hours | 18/138 (13) | 13/77 (17) | 20/56 (36) | 0.001 |
36 ± 2 hours | 19/117 (16) | 12/60 (20) | 9/40 (23) | 0.63 |
48 ± 2 hours | 15/104 (14) | 12/44 (27) | 6/29 (21) | 0.18 |
Duration IIP use, days, mean (SD) | 3.8 (3.8) | 2.8 (2.7) | 2.0 (2.5) | < 0.0001 |
Patients with at least one blood glucose < 60 mg/dL, n (%) | 11 (7) | 6 (5) | 5 (5) | 0.85 |
Mean percent BG < 60 mg/dL, mean (SD) | 0.2 (1.4) | 0.3 (1.5) | 0.1 (0.6) | 0.88 |