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快速眼动睡眠期行为障碍相关量表的信效度研究

Results: Both RBDSQ and RBDQ-HK had high internal consistency and
test–retest reliability (Cronbach's α coefficient of overall scale =0.87 & 0.83 , ICC=0.91 & 0.88). ROC curve revealed that score of 7 or 8 points on RBDQ-HK factor 2, score of 17 points on overall RBDQ-HK and score of 6 points on RBDSQ represented the best cut-off value for detecting RBD. The validation coefficients for RBDQ-HK factor 2, overall RBDQ-HK and RBDSQ were, respectively: sensitivity 90.43%, 84.35% and 82.60%; specificity 82.38%, 80.95% and 92.38%; positive predictive value (PPV) 73.76%, 70.80% and 85.58%, and negative predictive value (NPV) 94.02%, 90.42% and 90.65%, showing that both RBDQ-HK and RBDSQ are reliable assessment of RBD, with a higher sensitivity given by the RBDQ-HK factor 2. Symptomatic RBD group scored the highest on factors and overall scale among three RBD subgroups, idiopathic RBD group scored lower, while the RBD-like disorder group scored the lowest. And there was a statistical significance on mean score of RBDQ-HK factor 2 between symptomatic RBD group and RBD-like disorder group (29.11± 16.05 & 15.50± 13.00, p < 0.05), which demonstrated that factor 2 of RBDQ-HK had a capability to distinguish symptomatic RBD patients from RBD-like disorder patients. RBDQ-HK factor 2 has a stable property of identifying RBD in different population and a cut-off of 7 point is useful. RBDQ-HK factor 2 is the best RBD screening tool.
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consistency of RBDQ-HK was tested by Cronbach‟s alpha coefficient and the
IV
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快速眼动睡眠期行为障碍相关量表的信效度研究
英文摘要
test-retest reliability was assessed by intraclass correlation coefficient (ICC).
Methods:
We collected patients‟ response on RBDQ-HK and RBDSQ
in our sleep center, and validated them against the criterion of PSG using receiver-operator characteristics curves (ROC curve). The internal
快速眼动睡眠期行为障碍相关量表的信效度研究
中文摘要
快速眼动睡眠期行为障碍相关量表的信效度研究 中文摘要
研究背景:快速眼动睡眠期行为障碍(REM sleep behavior disorder, RBD)是一种以 REM 睡眠期肌肉迟缓状态消失,患者表现出与梦境内容 相关的梦语和(或)肢体动作为主要特征的疾病,确诊需行多导睡眠图 监测(Polysomnography,PSG) 。越来越多的研究表明 RBD 是神经变性 疾病特别是共核蛋白病如帕金森病的高危标志,但其转化为神经变性疾 病的过程并不清楚。要解决这一问题,需对 RBD 病情进展进行长期随访 并开展相应基础研究, 而首要的是提高 RBD 患者的识别率和诊断率。 PSG 检查费时费力,不易普及,找到简单高信效度重测性好的 RBD 筛查工具 尤为重要。因此,快速眼动睡眠期行为障碍量表在该领域有着巨大的应 用价值。目前,用于临床及科研领域中的 RBD 量表主要有两种:快速眼 动 睡 眠 期 行 为 障 碍 量 表 ( REM sleep behavior disorder screening questionnaire ,RBDSQ)及香港中文大学快速眼动睡眠期行为障碍量表 (REM sleep behavior disorder questionnaire- Hong Kong, RBDQ-HK) 。 目的:检验快速眼动睡眠期行为障碍量表(RBDSQ)及香港中文大 学快速眼动睡眠期行为障碍量表( RBDQ-HK )的信效度,进一步验证 RBDQ-HK 鉴别症状性 RBD 与 RBD 样疾病的能力, 初步探讨 RBDQ-HK 量表在不同人群中的应用。 方法:收集来我院睡眠中心就诊患者的 RBDQ-HK 量表、RBDSQ
Objective: To assess the validity and reliability of RBDSQ and RBDQ-HK.
Further, to assess the capability of RBDQ-HK to distinguish RBD from RBD-like disorder and the difference on mean scores of RBDQ-HK in different groups.
I
中文摘要
快速眼动睡眠期行为障碍相关量表的信效度研究
量表及 PSG 检查结果。以 PSG 结果为金标准,采用 ROC 曲线 (Receiver-operator characteristics curves, ROC curve) 分析两量表的效度。 采用科巴赫 α 系数(Cronbach‟s alpha coefficient)检验两量表的内部一致 性,采用组内相关系数(intraclass correlation coefficient,ICC)检验两量 表的重测信度。 结果: RBDQ-HK 及 RBDSQ 量表均具有较高的内部一致性及重测 信度(科巴赫 α 系数=0.83 & 0.87,ICC=0.88 & 0.91) 。ROC 曲线显示 RBDQ-HK 因子 2 诊断 RBD 的最佳阈值为 7 或 8,相应效度指标为:灵 敏度 90.43% , 特异度 82.38%, 阳性预测值 73.76%, 阴性预测值 94.02%。 RBDQ-HK 量表总得分诊断 RBD 的最佳阈值为 17,相应效度指标为:灵 敏度 84.35%; 特异度 80.95%; 阳性预测值 70.80%, 阴性预测值 90.42%。 RBDSQ 量表诊断 RBD 的最佳阈值为 6, 相应效度指标为: 灵敏度 82.60%; 特异度 92.38%; 阳性预测值 85.58%, 阴性预测值 90.65% 。数据显示 RBDQ-HK、RBDSQ 量表均是可信的 RBD 筛选量表。 在三种不同亚型 RBD 组中, 症状性 RBD (Symptomatic RBD, sRBD) 组 RBDQ-HK 量表因子分及总分得分最高, 原发性 RBD (Idiopathic RBD, iRBD)组得分次之,RBD 样疾病(RBD-like disorder)组得分最低。症 状性 RBD 组与 RBD 样疾病组间 RBDQ-HK 因子 2 得分差异有统计学意 义(29.11± 16.05 & 15.50± 13.00,P<0.05) ,说明 RBDQ-HK 因子 2 可区分 症状性 RBD 与 RBD 样疾病。 在不同人群中, RBDQ-HK 因子 2 鉴别 RBD 的阈值恒定,均为 7 分,是最好的 RBD 筛查工具。
Background: REM sleep behavior disorder(RBD)which is a promising
risk marker of synucleinopathies such as Parkinson‟s disease is characterized by loss of normal muscle atonia during REM sleep, presentation of complex behaviors associated with nightmare. Further prospective researches and easy to reproduce quantitative RBD measurements with high validity and reliability are needed to define the nature course of this marker and its conversion process to synucleinopathies. There are two main specific RBD screening questionnaires for research , the REM sleep behavior disorder screening questionnaire (RBDSQ) and REM Sleep Behavior Disorder Questionnaire (RBDQ-HK).
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