Table 1.

Descriptions of the functionalities implied by standards.

No	Function	Input	Description	Sourcea,b
1.1	Blood glucose	Blood glucose values timestamp	User enters values and can view graphs, with low, high, and normal ranges well demarcated.	D/C
1.2	Blood pressure	Blood pressure timestamp	User enters values and can view graphs, with low, high, and normal ranges well demarcated.	D/C
1.3	Weight	Weight timestamp	User enters values and can view graphs.	D/C
1.4	Diet status	Food eaten, carbohydrate timestamp	User enters values and manually selects the type and amount of food.	D/C
1.5	Record of exercise	Exercise type, intensity, duration	User enters values and manually selects the type and intensity of exercise.	D/C
1.6	Record of medications	Medications type, amount, timestamp	User enters values and manually selects the type and amount of drugs.	D/C
1.7	Record of symptoms	Symptoms timestamp	User enters values and manually enters daily physical condition.	C
2	Diabetes-related education material	Tips, feedback, diabetes health information	Most apps linked to another app for educational material or used Web links. Some had decision support and personalized tips and feedback.	C
3	Personalized context-based notification and alert	Injection reminders, medication reminders, measuring reminder	User enters reminders manually, and also receives reminders for postprandial testing. Some had automatic tailored alerts.	D
4	Decision-supporting information	Emails between doctors and patients	Data can be shared between doctors and patients, and doctors can give remote guidance.	C
5	Data synchronization to personal health record (PHR)	PHR	Synchronization with personal health systems, data can be shared and stored in the cloud platform for easy access.	C
6	Data evaluation and analysis method	The signs data	The data can be presented in a graph to show the effects of data to blood glucose for doctors to determine.	C

^aC: Functionalities from the clinical guidelines.

^bD: Functionalities from the data standards.