Development and validation of a patient-reported questionnaire assessing systemic therapy induced diarrhea in oncology patients

Table 2 Interrater reliability and consistency of STIDAT

Fleiss’ kappa
Variable	N	Kappa	p-value
Diarrhea	91	0.934	p = 0
Urgency	113	0.623	P < 0.05
Spasms	113	0.0455	P = 0.63
Abdominal pain	113	0.571	P < 0.05
Fecal incontinence	113	0.685	P < 0.05
Medications for diarrhea	113	0.952	P = 0
Cronbach’s alpha
Raw Cronbach’s alpha	0.78 (0.74–0.83)
Standard Cronbach’s alpha	0.85
Pearson’s Coefficient of Correlation (r²)
Number of diarrhea episodes	0.377
Total number of bowel movements	0.262
Quality of life	0.792

ISSN: 1477-7525