. 2012 Mar 10;22(2):369–378. doi: 10.1007/s11136-012-0147-1

Table 4.

Proposed subscale structure for the QLQ-TC26 after phase III, with internal consistency statistics (Cronbach’s alpha) and descriptive statistics (item numbers refer to Table 5)

			On treatment		Within first year of aftercare		>1st year of aftercare		Total sample
	Item	Cronbach’s alpha	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Treatment Side effects^a	01-08	0.78	20.0	12.7	13.9	18.4	8.2	12.1	12.5	15.2
Treatment satisfaction^b	09–10	0.85	94.8	11.9	91.8	19.9	79.5	27.6	88.2	22.6
Future perspective^b	11–12	0.76	48.9	29.0	54.8	25.2	70.4	26.4	60.8	27.8
Job problems^a	13–14	0.80	43.7	33.2	26.4	26.4	18.5	29.9	25.4	30.9
Family problems^a	15	Single item	38.1	38.2	29.9	33.1	26.3	31.4	28.9	32.8
Infertility^a	16	Single item	24.1	39.7	34.7	38.9	31.7	36.5	30.2	37.3
Communication^b	17, 21	0.62	92.2	13.7	82.0	25.9	78.0	27.0	82.9	24.5
Body image problems^a	18	Single item	16.1	27.6	12.2	17.6	19.4	28.0	15.5	24.5
Sexual activity^b	19–20	0.79	56.0	33.1	65.6	25.0	64.8	28.6	64.2	28.0
Sexual problems^a	22–23	0.36	11.3	23.9	24.8	29.6	15.5	22.1	20.9	26.5
Sexual enjoyment^b	24–25	0.51	76.2	27.7	77.3	25.7	72.5	26.4	73.6	26.4
Testicular Implant Satisfaction^b	26	Single item	75.0	50.0	93.3	14.9	60.0	34.7	69.4	35.5

^aSymptom scale (high scores indicate high impairment)

^bFunctioning scale (low scores indicate high impairment)