Table 3.

Responses to the 4-choice questions and content validity ratio (CVR) for each item (n=18).

Item			Must have, n		Should have, n		Could have, n		Won’t have, n		CVR
Patient information registration (overall CVR=0.85)
	Sociodemographic information	10		4		4		0		0.56
	Diagnosis and previous surgery information	18		0		0		0		1.00
	Surgery and after surgery information	18		0		0		0		1.00
Sign and symptoms monitoring (overall CVR=0.42)
	Weight tracking	9		6		3		0		0.67
	Vital sign tracking	5		4		7		2		0.00
	Symptom tracking	6		4		7		1		0.11
	Side effect tracking	16		2		0		0		1.00
	BMI tracking	5		7		5		1		0.33
Education (overall CVR=0.58)
	Information about cancer	10		3		4		1		0.44
	Common issues for patients	13		2		3		0		0.67
	Information about physical activity	6		6		5		1		0.33
	Information about drugs	8		5		3		2		0.44
	Information about chemotherapy	9		7		2		0		0.78
	Information about nutrition	14		3		1		0		0.89
	Information about rehabilitation	12		5		1		0		0.89
	Information about treatment process	12		1		4		1		0.44
	Information about post discharge	13		4		1		0		0.89
	Information about pain management	9		5		3		1		0.56
	Information about emergency issue management	14		3		1		0		0.89
	Other patients experience	5		2		8		3		–0.22
Physical activity (overall CVR=–0.22)
	Goal setting for physical activity	3		4		9		2		–0.22
	Physical activity tracking	4		4		8		2		–0.11
	Viewing other patients’ physical activity progress	4		2		9		3		–0.33
Reminders (overall CVR=0.84)
	Hospital visit reminder	14		3		1		0		0.89
	Medication reminder	12		4		2		0		0.78
Personalized advice (overall CVR=0.39)
	Online consultation system	3		9		5		1		0.33
	Tailored patient information	7		6		5		0		0.44
Patient evaluation (overall CVR=0.70)
	Quality of life evaluation	10		5		3		0		0.67
	Nutrition evaluation	12		6		0		0		1.00
	Clinician-patient relationship evaluation	9		4		5		0		0.44
Social network (overall CVR=–0.11)
	Patients’ discussion groups	1		7		8		2		–0.11