2009-2013 年英国癌症等待时间监测数据集不包括哪些患者？对数据在研究中的使用的影响。
Which patients are not included in the English Cancer Waiting Times monitoring dataset, 2009-2013? Implications for use of the data in research.
机构信息
Cancer Survival Group, Faculty of Epidemiology and Population Health, Department of Non-Communicable Disease Epidemiology, London School of Hygiene & Tropical Medicine, Keppel Street, London WC1E 7HT, UK.
Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Via Zamboni, 33, 40126 Bologna, Italy.
出版信息
Br J Cancer. 2018 Mar 6;118(5):733-737. doi: 10.1038/bjc.2017.452. Epub 2018 Jan 18.
BACKGROUND
Cancer waiting time targets are routinely monitored in England, but the Cancer Waiting Times monitoring dataset (CWT) does not include all eligible patients, introducing scope for bias.
METHODS
Data from adults diagnosed in England (2009-2013) with colorectal, lung, or ovarian cancer were linked from CWT to cancer registry, mortality, and Hospital Episode Statistics data. We present demographic characteristics and net survival for patients who were and were not included in CWT.
RESULTS
A CWT record was found for 82% of colorectal, 76% of lung, and 77% of ovarian cancer patients. Patients not recorded in CWT were more likely to be in the youngest or oldest age groups, have more comorbidities, have been diagnosed through emergency presentation, have late or missing stage, and have much poorer survival.
CONCLUSIONS
Researchers and policy-makers should be aware of the limitations in the completeness and representativeness of CWT, and draw conclusions with appropriate caution.
背景
在英国，癌症等待时间目标通常会受到监测，但癌症等待时间监测数据集（CWT）并未纳入所有符合条件的患者，因此存在一定的偏差。
方法
我们从英格兰诊断出的患有结直肠癌、肺癌或卵巢癌的成年人（2009-2013 年）的数据中，从 CWT 到癌症登记处、死亡率和医院住院统计数据进行了关联。我们为 CWT 中记录和未记录的患者呈现了人口统计学特征和净生存率。
结果
在结直肠癌患者中，有 82%的患者有 CWT 记录，在肺癌患者中为 76%，在卵巢癌患者中为 77%。未在 CWT 中记录的患者更有可能处于最年轻或最年长的年龄组，合并症更多，通过急诊就诊诊断，处于晚期或分期缺失，并且生存率要差得多。
结论
研究人员和政策制定者应意识到 CWT 的完整性和代表性存在局限性，并谨慎得出结论。
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