Table 1.

Summary of clinical metrics that characterize glucose control performance of 20 adult subjects controlled by PID and MPC algorithms for 27.5-h sessions

	MPC	PID	P
Overall study
Glucose (mg/dL)	138 (20.40)	160 (31.5)	0.012*
Glucose at 7:00 a.m. (mg/dL)	119 (28.0)	135 (51.7)	0.229
% time <70 mg/dL	4.6 (4.65)	2.93 (5.92)	0.329
% time 80–140 mg/dL	49.8 (13.1)	36.5 (17.1)	0.009*
% time >180 mg/dL	21.0 (12.1)	33.3 (19.1)	0.020*
% time 70–180 mg/dL	74.4 (11.0)	63.7 (16.4)	0.021*
No. of <70 mg/dL events >15 min	2.75 (3.02)	1.75 (4.05)	0.382
No. of treatments	2.60 (2.68)	1.60 (2.68)	0.246
LBGI	1.21 (0.86)	0.82 (1.09)	0.222
HBGI	4.40 (2.56)	7.51 (4.52)	0.011*
Overnight only
Glucose (mg/dL)	109 (15.1)	126 (35.9)	0.058
% time <70 mg/dL	7.29 (10.2)	3.59 (9.18)	0.235
% time 80–140 mg/dL	70.2 (23.3)	57.9 (34.2)	0.189
% time >180 mg/dL	3.59 (7.37)	12.7 (22.7)	0.095
% time 70–180 mg/dL	89.1 (12.4)	83.7 (22.4)	0.351
No. of <70 mg/dL events >15 min	1.25 (2.00)	0.65 (1.81)	0.326
No. of treatments	1.05 (1.36)	0.35 (0.81)	0.055
LBGI	1.94 (1.74)	1.18 (1.73)	0.173
HBGI	0.96 (1.30)	2.48 (3.58)	0.082
5-hour postprandial period after unannounced meal (65 g CHO)
Mean glucose (mg/dL)	181 (42.0)	220 (55.9)	0.019*
Max Δglucose (mg/dL)	146 (44.3)	142 (43.1)	0.774
% time <70 mg/dL	1.89 (3.58)	1.64 (5.70)	0.871
% time 80–140 mg/dL	22.2 (18.7)	13.7 (18.9)	0.160
% time >180 mg/dL	52.0 (30.3)	66.9 (31.6)	0.135
% time 70–180 mg/dL	46.1 (28.8)	31.5 (28.8)	0.116
Minutes to <180 mg/dL	157 (92.5)	188 (102)	0.313
HBGI	10.6 (6.91)	17.9 (10.2)	0.012*

Data are means (SD). Sessions include a 65-g carbohydrate dinner, a 50-g carbohydrate breakfast, and an unannounced 65-g carbohydrate lunch. CHO, carbohydrate; LBGI, low BG index.

*Significance with α = 0.05.