Table 2.

Features or characteristics considered in the predictive models.

Study	CGMa readings	Glucose meter measurements	Insulin dosage	BMI	Carbohydrates	Meals	Activity	ECGb	HRVc	Diabetes duration	HbA1cd
Mordvanyuk et al [6]	✓		✓		✓	✓
Paul et al [7]	✓
Jensen et al [8]	✓		✓	✓						✓
Zhang et al [9]		✓	✓
Dave et al [10]	✓		✓		✓					✓	✓
Eren-Oruklu et al [11]	✓	✓
Chase et al [12]	✓	✓		✓						✓	✓
Buckingham et al [13]	✓										✓
Georga et al [14]	✓		✓			✓	✓				✓
Bertachi et al [15]	✓		✓				✓
Vahedi et al [16]	✓			✓			✓			✓
Maritsch et al [17]	✓								✓
San et al [18]		✓						✓
Kuang et al [19]	✓
Zhu et al [20]	✓		✓			✓
Li, K, unpublished data, October 2019	✓		✓			✓
Munoz-Organero et al [21]	✓		✓			✓
Ranvier et al [22]						✓	✓	✓
Cichosz et al [23]	✓	✓	✓					✓	✓	✓	✓

^aCGM: continuous glucose monitoring.

^bECG: electrocardiogram.

^cHRV: heart rate variability.

^dHbA_1c: hemoglobin A_1c.