At the end of stage 1, there should be a validated positive answer to this question.
The first step in this method is that the patient answers a validated screening questionnaire.
All patients answered a validated questionnaire, the Expanded Prostate Cancer Index Composite (EPIC), before the treatment [ 11].
All patients answered a validated questionnaire with typical symptoms were defined as heartburn, regurgitation, chest pain and atypical symptoms such as cough, dyspnea on exertion, belch, difficulty swallowing, globus sensation, hoarseness and epigastric pain.
Twenty-six patients with inactive Crohn's disease, as defined by a Crohn's Disease Activity Index (CDAI) < 150, underwent a gastric emptying test by breath test using C octanoic acid coupled to a solid meal and answered a validated questionnaire (The Porto Alegre Dyspeptic Symptoms Questionnaire) to assess dyspeptic symptoms.
A validated FFQ was mailed to participants who had answered the RFQ and was returned after completion by 79.6% of study participants in three centers (CCO, USC, and UH).
The IIEF questionnaire [ 24] is a validated, self-administered tool, but we only evaluated the answers to the first five (erectile response dominium) of the fifteen questions (IIEF-15, 1 5) [ 24, 25].
At baseline, all participants answered to a general purpose questionnaire and a validated food frequency questionnaire administered by a nutritionist (Hernandez-Avila et al. 1998; Romieu et al. 1999).
Physical activity self-efficacy was assessed using a validated questionnaire that consists of 19 items each of which is answered by the child indicating their level of agreement on a five-point scale (scored 1 5).
People often want to know how long the effects last and Jones's research, in the journal Plastic and Reconstructive Surgery, answers this question by using standardised measuring techniques and a validated rating system.
EQ-5D is a validated, generic health-related quality-of-life measure consisting of five dimensions, each with a 3-level answer possibility.
