Author: Park, Jinsung; Shin, Dong Wook; Kim, Tae-Hwan; Jung, Seung Il; Nam, Jong Kil; Park, Seung Chol; Hong, Sungwoo; Jung, Jae Hung; Kim, Hongwook; Kim, Won Tae
Title: Development and Validation of the Korean Version of the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients with Non-muscle Invasive Bladder Cancer: EORTC QLQ-NMIBC24 Document date: 2017_3_10
ID: 4pbwjlm3_13
Snippet: Rule of 10 per item (the subjects-to-variables ratio should be no lower than 10) was used to determine the minimum required sample size for the psychometric analysis, as suggested by Dr. Aaronson of the EORTC QOL group. Thus, 240 patients (for 24 items) were considered adequate for this study......
Document: Rule of 10 per item (the subjects-to-variables ratio should be no lower than 10) was used to determine the minimum required sample size for the psychometric analysis, as suggested by Dr. Aaronson of the EORTC QOL group. Thus, 240 patients (for 24 items) were considered adequate for this study.
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