Despont-Gros C, Landau R, Rutschmann O, Simon J, Lovis C
Service d'Informatique Médicale, Hôpitaux Universitaires de Genève, Suisse.
Methods Inf Med. 2005;44(3):359-68.
To evaluate the efficiency and acceptance of digital pen and paper technology for real-time clinical data acquisition.
A prospective interventional unblinded study involving consecutive patients in two clinical settings during a defined time-frame was proposed. The first trial was designed as a stress test to evaluate acceptance in a workload-intensive environment. Acceptance was assessed using observations and a satisfaction questionnaire. The second trial was intended to determine the reliability of data acquisition in a controlled environment. Reliability was assessed by comparing the performance of the digital pen against scanner analysis and a double human blinded acquisition.
Overall, users were satisfied with the use of the digital pen (median 3 on a Likert-scale (-5, 5)). Without any specific user training, successful data acquisition was greater than 80%. Use of this technology required less adaptation than standard computer devices, and was easy to learn and use. Ergonomic problems shaded the perception of the technology by inducing an increased cognitive load. Digitalized data was missing either because of a bug or due to lack of data validation. The reliability obtained with the digital pen was significantly lower to that obtained with the scanner.
Natural technology such as the digital pen proved to be a good tool in stressful clinical environments without interfering with the normal workload or increasing the time for data acquisition. However, in order to improve quality of data acquisition, designing acquisition forms specifically for the use of digital pens is of paramount importance.
评估数字笔和纸质技术用于实时临床数据采集的效率和可接受性。
提出一项前瞻性非盲介入性研究，在规定的时间范围内纳入两个临床环境中的连续患者。第一项试验设计为压力测试，以评估在工作量密集环境中的可接受性。通过观察和满意度问卷评估可接受性。第二项试验旨在确定在受控环境中数据采集的可靠性。通过将数字笔的性能与扫描仪分析以及双人盲法采集进行比较来评估可靠性。
总体而言，用户对数字笔的使用感到满意（李克特量表（-5, 5）上的中位数为3）。在没有任何特定用户培训的情况下，成功的数据采集率超过80%。使用该技术所需的适应性比标准计算机设备少，并且易于学习和使用。人体工程学问题因导致认知负荷增加而影响了对该技术的看法。数字化数据缺失要么是由于错误，要么是由于缺乏数据验证。数字笔获得的可靠性明显低于扫描仪获得的可靠性。
数字笔等自然技术在压力较大的临床环境中被证明是一种很好的工具，不会干扰正常工作量或增加数据采集时间。然而，为了提高数据采集质量，专门为数字笔的使用设计采集表格至关重要。
