Kiekkas Panagiotis, Stefanopoulos Nikolaos, Konstantinou Evangelos, Bakalis Nick, Aretha Diamanto
Collegian. 2016;23(1):39-46. doi: 10.1016/j.colegn.2014.09.010.
Despite the expansion of capnography use, instruments for evaluating healthcare professionals' knowledge about capnography are missing from international literature.
To develop and validate an instrument for evaluating nurses' knowledge about capnography, named the "Nurses' Knowledge about Capnography Test" (NKCT).
A literature review was performed to formulate instrument items. Thirty-six items were initially developed, which covered principles of capnography function, conditions affecting end-tidal CO₂ pressure and capnography waveform, and indications for capnography use. Six items were deleted after content validity and intra-rater reliability evaluation. The final 30-item instrument was completed by 103 anesthesiology department nurses employed in six hospitals of Greece, to test its internal consistency, item difficulty and discrimination, and construct validity.
Kuder-Richardson 20 coefficient was 0.79. Ten items were found to be of high difficulty, while item discrimination was low for two of them. Instrument scores were found significantly higher among participants with higher educational level and longer experience in capnography use.
NKCT is a psychometrically comprehensive instrument for evaluating nurses' knowledge about capnography, which is recommended to be re-validated beyond the anesthesiology department and be used for the assessment of educational programs on capnography.
尽管二氧化碳监测技术的应用有所扩展，但国际文献中缺少用于评估医护人员对二氧化碳监测技术知识掌握情况的工具。
开发并验证一种用于评估护士对二氧化碳监测技术知识掌握情况的工具，名为“护士二氧化碳监测知识测试”（NKCT）。
进行文献综述以制定工具项目。最初制定了36个项目，涵盖二氧化碳监测功能原理、影响呼气末二氧化碳分压和二氧化碳监测波形的条件以及二氧化碳监测技术的使用指征。在内容效度和评分者内信度评估后删除了6个项目。希腊六家医院的103名麻醉科护士完成了最终的30个项目的工具，以测试其内部一致性、项目难度和区分度以及结构效度。
库德-理查森20系数为0.79。发现10个项目难度较高，其中2个项目的区分度较低。在教育水平较高且二氧化碳监测技术使用经验较长的参与者中，工具得分显著更高。
NKCT是一种在心理测量学上全面的工具，用于评估护士对二氧化碳监测技术的知识掌握情况，建议在麻醉科以外重新验证，并用于评估二氧化碳监测技术的教育项目。
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