Corrigendum to “Hybrid Closed Loop Using a Do-It-Yourself Artificial Pancreas System in Adults With Type 1 Diabetes”

Nanayakkara N, Sharifi A, Burren D, Elghattis Y, Jayarathna DK, Cohen N. Hybrid closed loop using a do-it-yourself artificial pancreas system in adults with type 1 diabetes. J Diabetes Sci Technol. 2024;18(4):889-896. doi:10.1177/19322968231153882

In this article, a data processing error caused a misalignment of data rows of the GRI analyses. This issue did not affect any other analyses or the study conclusions but did change the GRI data values reported in the Table 1 and text under the heading ‘Primary and Secondary Outcomes’ of the Results section. The bold entries given in below Table 1 of this article have been corrected.

Additionally, under “Primary and Secondary Outcomes” of the “Results” section, the sentence “The glycemia risk index (GRI) during the AAPS arm was 30% ± 18%, compared with 45% ± 17% during the stand-alone pump therapy arm, a difference of –15 (–34 to –4)%, P = .06 (Table 1).” has been corrected to “The glycemia risk index (GRI) during the AAPS arm was 26% ± 13%, compared with 52% ± 22% during the stand-alone pump therapy arm, a difference of −26 (−37 to −15)%, P < .001 (Table 1)”.

Table 1.

Primary and Secondary Outcomes During Treatment Periods.

	AAPS period (N = 20)	Stand-alone pump therapy period (N = 20)	Mean diff (AAPS-YpsoPump)	P valuea
Primary outcomes
% time glucose 70-180 mg/dL	76.6 (11.7)	58.0 (15.6)	18.6 (11.4 to 25.9)	<.001
% time glucose <70 mg/dL	2.1 (1.7)	4.2 (3.8)	−2.0(−3.8 to −0.3)	.191
% time glucose >180 mg/dL	21.3 (11.5)	37.9 (14.3)	−16.6 (−23.4 to −9.8)	<.001
Secondary outcomes
HbA1c (%)	7.1 (0.6)	7.5 (0.6)	−0.4 (−0.7 to 0)	<.001
HbA1c (mmol/mol)	54.6 (6.2)	58.5 (6.2)	−3.9 (−8.2 to 0.4)	<.001
Mean glucose (mg/dL)	149.4 (19.8)	167.4 (23.9)	−19.8 (−32.4 to −5.6)	.011
Insulin daily dose (units)	40.5 (24.6)	41.7 (24.1)	−1.2 (−3.2 to 0.8)	.276
Number of symptomatic hypoglycemia events	3.8 (2.2)	1.4 (1.8)	2.4 (1.3-3.5)	<.001
Time in glucose < 54 mg/dL (%)	0.3 (0.4)	1.0 (1.9)	−0.7 (−1.6 to 0.1)	.663
Time in glucose > 270 mg/dL (%)	2.4 (0.4)	9.3 (1.9)	−6.9 (−11 to −2.8)	.012
Glycemia risk index	26 (13)	52 (22)	−26 (−37 to -15)	<.001
Problem areas in diabetes score	13.5 (14.7)	14.6 (12)	−1.1 (−9.8 to 7.7)	.739
Hypoglycemia Fear Survey-II	16.3 (14.9)	14.3 (13.8)	2.0 (−7.6 to 11.6)	.268
Diabetes treatment satisfaction questionnaire combined	5.5 (0.6)	5.7 (0.6)	−0.2 (−0.6 to 0.2)	.168

The online version of the article has been corrected.