Table 5.

Comparison of Glycemic Control Performance between Retrospective Control, Typical Sliding Scale Control, and Targeted Model-Based Control with Increasing Blood Glucose Measurement Interval

Control scheme	Measurement frequency (h)	Total measurements	Median BG (mg/dl)	BG IQR (mg/dl)	% of measurements within range			Average insulin (U/kg/h) × 10−2
					72–126 mg/dl	72–144 mg/dl	<47 mg/dl
Model-based controller	1	3555	110	101–119	81.7%	90.1%	0.23%	5.4
	2	1771	108	97–122	76.1%	86.4%	0.45%	5.6
	3	1175	108	95–126	69.3%	81.3%	0.60%	5.7
	4	879	110	94–130	64.6%	76.3%	0.91%	5.5
Retrospective		1091	144	113–178	30.9%	45.6%	0.73%	3.4
Sliding scale	1	3555	155	122–187	26.0%	40.1%	0.20%	2.9
	2	1771	155	124–189	24.8%	39.5%	0.34%	2.9
	3	1175	153	122–191	24.9%	40.9%	0.34%	3.0
	4	879	153	124–194	25.0%	41.4%	0.57%	3.0