From: Pilot study of a model-based approach to blood glucose control in very-low-birthweight neonates
Whole cohort statistics | Short-term | Long-term | Retrospective |
---|---|---|---|
Number of episodes | 8 | 22 | 21 |
Total hours | 226 hours | 3168 hours | 3571 hours |
Number of BG measurements | 117 | 1003 | 1091 |
BG sampling site: arterial/capillary | 100%/0% | 27%/73% | 45%/55% |
BG median [IQR] (mmol/L) | 7.4 [6.2 - 9.4] | 6.6 [5.5 - 8.2] | 8.0 [6.6 - 9.4] |
% BG within 4.0 - 7.0 mmol/L | 40.9 | 53.7 | 29.5 |
% BG within 4.0 - 8.0 mmol/L | 63.9 | 68.4 | 48.4 |
% BG > 10 mmol/L | 22.6 | 11.7 | 19.2 |
% BG < 4.0 mmol/L | 0.9 | 4.0 | 2.7 |
% BG < 3.0 mmol/L | 0.0 | 0.5 | 0.4 |
% BG < 2.7 mmol/L | 0.00 | 0.25 | 0.25 |
Median insulin rate [IQR] (U/kg/hr) | 0.058 [0.038 - 0.107] | 0.033 [0.028 - 0.040] | 0.025 [0.010 - 0.045] |
Median glucose rate [IQR] (mg/kg/min) | 8.2 [7.1 - 9.4] | 7.9 [6.1 – 9.3] | 8.4 [6.3 - 9.1] |
Per-patient statistics (presented as median [IQR]) | |||
Number of BG measurements | 15.0 [13.0 - 17.5] | 27.0 [15.0 - 44.8] | 36.0 [21.0 - 54.0] |
Initial BG (mmol/L) | 11.4 [7.5 - 12.3] | 11.4 [9.4 – 13.4] | 8.9 [5.7 – 9.9] |
Time between measurements (hours) | 2.0 [2.0 - 2.1] | 3.0 [2.8 - 3.3] | 3.2 [2.6 - 4.0] |
%BG within 4.0-7.0 mmol/L | 41.4 [14.4 - 60.8] | 60.4 [38.2 – 72.7] | 29.6 [20.4 - 38.5] |
%BG within 4.0-8.0 mmol/L | 58.8 [48.3 - 75.9] | 74.1 [57.7 - 84.2] | 47.7 [42.9 - 55.7] |
%BG < 4.0 mmol/L [IQR] | 0.0 [0.0 - 0.0] | 4.8 [3.1 - 9.3] | 2.8 [0.0 - 5.4] |
%BG < 3.0 mmol/L [IQR] | 0.0 [0.0 - 0.0] | 0.0 [0.0 - 2.0] | 0.0 [0.0 - 0.2] |
%BG < 2.7 mmol/L [IQR] | 0.0 [0.0 - 0.0] | 0.0 [0.0 - 0.7] | 0.0 [0.0 - 0.0] |
Dextrose rate (mg/kg/min) | 1.2 [0.3 - 1.6] | 5.2 [0.6 - 14.0] | 4.8 [1.9 - 6.7] |
EBM (mL/kg/day) | 4.6 [1.0 - 5.7] | 15.8 [2.3 - 41.9] | 16.7 [5.4 – 27.2] |
Patients that received EBM | 6 (75%) | 19 (86%) | 18 (86%) |
Proportion of dextrose via EBM (%) | 1.2 [0.3 - 1.7] | 11.0 [1.5 - 21.4] | 5.5 [1.9 - 7.2] |
Insulin rate (U/kg/hr) | 0.058 [0.046 - 0.088] | 0.033 [0.028 - 0.040] | 0.025 [0.010 - 0.045] |
Insulin sensitivity x 10-3 (L/[mU.min]) | 1.28 [0.48 – 1.86] | 1.73 [1.25 - 2.65] | 1.93 [1.40 – 2.58] |