Cross-cultural adaptation and validation of the French version of the Expanded Prostate cancer Index Composite questionnaire for health-related quality of life in prostate cancer patients

Anota, Amélie; Mariet, Anne-Sophie; Maingon, Philippe; Joly, Florence; Bosset, Jean-François; Guizard, Anne-Valérie; Bittard, Hugues; Velten, Michel; Mercier, Mariette

doi:10.1186/s12955-016-0571-y

Table 5 Exploratory factor analysis with varimax rotation and 4 factors performed at the first measurement time including all patients with complete data (N = 111)

From: Cross-cultural adaptation and validation of the French version of the Expanded Prostate cancer Index Composite questionnaire for health-related quality of life in prostate cancer patients

Domain	Subscale	Item	Factor 1	Factor 2	Factor 3	Factor 4
Urinary	Function	q23	0.164	−0.141	−0.676	−0.058
		q24	−0.017	−0.036	0.097	−0.294
		q25	0.022	0.075	−0.117	−0.583
		q26	0.180	−0.024	−0.709	−0.159
		q27	−0.172	0.065	0.700	0.022
	Bother	q28	−0.128	0.048	0.836	−0.004
		q29	0.013	0.051	0.129	0.690
		q30	0.142	0.098	0.129	0.245
		q31	−0.009	0.135	0.502	0.323
		q32	−0.091	0.237	0.467	0.351
		q33	−0.182	0.149	0.505	0.176
		q34	−0.121	0.206	0.617	0.304
Bowel	Function	q42	0.167	0.059	0.001	−0.304
		q43	−0.064	−0.232	−0.410	−0.064
		q44	−0.114	0.114	0.151	0.265
		q45	−0.144	0.005	0.240	−0.055
		q46	−0.191	0.096	−0.038	0.398
		q47	−0.149	−0.025	−0.041	0.277
		q48	−0.063	0.056	−0.185	−0.586
	Bother	q49	−0.175	0.164	0.148	0.579
		q50	−0.129	0.107	0.264	0.557
		q51	0.008	0.216	−0.017	0.504
		q52	0.145	0.192	0.234	0.483
		q53	0.021	0.184	0.076	0.384
		q54	0.098	0.066	−0.028	0.765
		q55	−0.078	0.326	0.058	0.384
Sexual	Function	q56	0.820	0.097	−0.056	0.007
		q57	0.909	−0.101	−0.056	0.024
		q58	0.885	0.002	−0.077	0.005
		q59	0.846	0.008	−0.127	0.012
		q60	0.884	−0.093	−0.060	0.005
		q61	0.604	0.037	−0.143	−0.065
		q62	0.791	0.092	−0.099	−0.027
		q63	0.838	0.134	−0.053	−0.005
		q64	0.923	−0.041	0.037	−0.074
	Bother	q65	0.022	0.831	0.099	−0.013
		q66	−0.013	0.838	0.045	0.029
		q67	0.017	0.841	0.058	0.007
		q68	−0.047	0.735	0.067	0.041
Hormonal	Function	q69	0.260	−0.087	−0.239	0.032
		q70	−0.104	0.056	−0.412	0.151
		q71	−0.052	−0.646	0.024	−0.074
		q72	0.071	−0.564	−0.179	−0.065
		q73	0.074	−0.034	0.249	0.060
	Bother	q74	−0.157	0.279	0.270	−0.101
		q75	0.131	−0.046	0.443	−0.119
		q76	0.212	0.057	0.054	0.141
		q77	0.112	0.662	0.020	0.256
		q78	−0.018	0.636	0.161	0.137
		q79	−0.019	0.159	0.266	0.133

Values in bold correspond to the highest correlation observed between each item and factors

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ISSN: 1477-7525

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