a École de psychologie , Université Laval, Pavillon Félix-Antoine-Savard , Québec , Canada.
b Centre de recherche CERVO - Brain Research Centre , Institut universitaire en santé mentale de Québec , Québec , Canada.
Clin Neuropsychol. 2018 Jan-Dec;32(sup1):91-101. doi: 10.1080/13854046.2018.1473495. Epub 2018 May 9.
The Clock Drawing Test (CDT) is frequently used to screen for cognitive impairment, however, normative data for Rouleau et al.'s scoring system are scarce. The present study aims to provide norms for Rouleau et al.'s scoring system that are tailored to Quebec French-speaking mid- and older aged healthy adults.
Six researchers from various research centers across the Province of Quebec (Canada) sent anonymous data for 593 (391 women) healthy community-dwelling volunteers (age range: 43-93 years; education range: 5-23 years) who completed the CDT 'drawing on command' version. This command version (setting the clock hands to 11:10, without a pre-drawn circle) was administrated as part of a more extensive neuropsychological assessment, or along with cognitive screening instruments. Each drawn clock was scored according to the quantitative criteria set by Rouleau et al.'s scoring system.
CDT scores were significantly correlated with age (r(592) = -.132, p = .001) and years of education (r(592) = .116, p = .005), but not with sex (r(592) = .065, p = .112). Since data were skewed towards higher test scores, the percentiles method was used for analysis. Percentile ranks stratified by age and education are presented.
These normative data for Rouleau et al.'s scoring system will contribute towards adequately screening for cognitive decline in Quebec French-speaking healthy adults, by also taking into account individual characteristics such as age and education.
画钟测验（CDT）常用于筛查认知障碍，但 Rouleau 等人的评分系统的常模数据却很少。本研究旨在为 Rouleau 等人的评分系统提供适合魁北克法语中老年人的常模。
来自魁北克省（加拿大）不同研究中心的 6 名研究人员发送了 593 名（391 名女性）健康的社区居住志愿者的匿名数据（年龄范围：43-93 岁；教育年限范围：5-23 年），他们完成了 CDT“按指令绘图”版本。该指令版本（将时钟指针设置为 11:10，没有预先绘制的圆圈）作为更广泛的神经心理评估的一部分，或与认知筛查工具一起进行管理。根据 Rouleau 等人的评分系统的定量标准对每个绘制的时钟进行评分。
CDT 分数与年龄（r（592）= -.132，p =.001）和教育年限（r（592）= -.116，p =.005）显著相关，但与性别无关（r（592）=.065，p =.112）。由于数据偏向于较高的测试分数，因此使用百分位法进行分析。按年龄和教育分层的百分位排名呈现。
这些 Rouleau 等人评分系统的常模数据将有助于通过考虑年龄和教育等个体特征，对魁北克法语健康成年人进行认知衰退的充分筛查。
