Table 1.

Descriptive statistics obtained on the EPIC-26 and results of internal consistency analyses (n=251)

Domains	n	Mean score (T1)	SD	Median	Range	Cronbach’s alpha	Range r(tot)
Urinary incontinence	241	86.39	21.84	100.00	0–100	0.889	0.74–0.84
Urinary irritation/obstruction	241	87.42	13.97	93.75	12.5–100	0.594	0.15–0.51
Urinary overall problem	250	78.60	27.02	87.50	0–100	NA	NA
Bowel	245	92.38	12.86	100.00	0–100	0.837	0.33–0.77
Sexual	246	34.87	28.77	25.00	20.83–100	0.887	0.31–0.85
Hormonal	246	89.92	14.10	95.00	0–100	0.670	0.11–0.74

EPIC: Expanded Prostate Cancer Index Composite; SD: standard deviation; r(tot): item-total correlations; NA: not applicable (only one item).