The Japanese version of the National Cancer Institute’s patient-reported outcomes version of the common terminology criteria for adverse events (PRO-CTCAE): psychometric validation and discordance between clinician and patient assessments of adverse events

Journal of Patient-Reported Outcomes

Table 2 Test-retest reliability of selected PRO-CTCAE items (n = 80)

PRO-CTCAE items	Attributes	ICC	95% CI
PRO-CTCAE items	Attributes	ICC	Lower	Upper
Anxiety
	Frequency	0.56	0.39	0.69
	Severity	0.55	0.38	0.69
	Interference	0.64	0.49	0.75
Constipation
	Severity	0.63	0.48	0.75
Decreased appetite
	Severity	0.48	0.29	0.63
	Interference	0.58	0.41	0.70
Dry mouth
	Severity	0.74	0.62	0.82
Fatigue, tiredness, or lack of energy
	Severity	0.57	0.41	0.70
	Interference	0.65	0.51	0.76
Insomnia
	Severity	0.52	0.34	0.66
	Interference	0.59	0.42	0.71
Loose or watery stools (diarrhea)
	Frequency	0.78	0.67	0.85
Mouth or throat sores
	Severity	0.58	0.41	0.71
	Interference	0.65	0.50	0.76
Nausea
	Frequency	0.70	0.56	0.79
	Severity	0.55	0.38	0.69
Numbness or tingling in hands or feet
	Severity	0.76	0.65	0.84
	Interference	0.46	0.27	0.61
Pain
	Frequency	0.74	0.62	0.82
	Severity	0.76	0.65	0.84
	Interference	0.77	0.67	0.85
Sad or unhappy feelings
	Frequency	0.69	0.56	0.79
	Severity	0.80	0.70	0.87
	Interference	0.77	0.66	0.84
Shortness of breath
	Severity	0.75	0.64	0.83
	Interference	0.61	0.45	0.73
Vomiting
	Frequency	0.55	0.38	0.69
	Severity	0.35	0.14	0.53