Development and validation of colorectal cancer specific quality of life questionnaire

The aim of the current study was to construct a colorectal cancer specific quality of life questionnaire (CRC_QoL). Patients and methods: 372 patients with rectal cancer were included in this prospective study. The CRC QoL was prepared in order to analyze the correlation between the characteristics of the colorectal cancer and its treatment. The questionnaire consists of 62 questions and can be answered in about 20 minutes. There are 2–5 possible answers in a simple choice system. The possible scores and scales were chosen in collaboration with the patients. Bigger numbers mean worse, While smaller values mean b…