PMID: 22333606Feb 16, 2012Paper

Influences of diagnostic modes on an early diagnosis of colorectal cancer

Zhonghua yi xue za zhi
Xuan JiangYu-Lan Liu

Abstract

To explore the influences of diagnostic modes of colorectal cancer (CRC) on an early diagnosis of CRC. A total of 405 cases were randomly collected from 1798 CRC patients registered at our hospital from January 2000 to December 2010. A retrospective chart review was undertaken for all identified cases. Besides the demographics and tumor features, TNM stage was obtained from medical records and pathological forms. Other collected data were as follows: (1) Type of clinical examinations leading to diagnosis. (2) Diagnostic duration: including patient duration (period from initial symptoms to consulting a doctor and hospitalization duration (period from patient first seeing a doctor to a confirmed CRC case). (3) Diagnostic delay and its rate: diagnostic delay was identified as the diagnostic duration of over 30 days. We compared the different delay periods of 31 - 60, 61 - 90, 91 - 150 and > 150 days and its corresponding tumor stages at diagnosis. (4) Misdiagnosis and its rate: that CRC subjects were diagnosed and treated as other diseases for at least 30 days was identified as misdiagnosis. The t and Mann-Whitney U tests were performed for the quantitative data and χ(2) test for the qualitative data. Among the study subjects, 67....Continue Reading

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