Eliassen Bent-Martin, Melhus Marita, Tell Grethe S, Borch Kristin Benjaminsen, Braaten Tonje, Broderstad Ann Ragnhild, Graff-Iversen Sidsel
Faculty of Health Sciences, Department of Community Medicine, Centre for Sami Health Research, UiT The Arctic University of Norway, Tromsø, Norway.
Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.
BMJ Open. 2016 Nov 30;6(11):e012717. doi: 10.1136/bmjopen-2016-012717.
Updated knowledge on the validity of self-reported myocardial infarction (SMI) and self-reported stroke (SRS) is needed in Norway. Our objective was to compare questionnaire data and hospital discharge data from regions with Sami and Norwegian populations to assess the validity of these outcomes by ethnicity, sex, age and education.
Validation study using cross-sectional questionnaire data and hospital discharge data from all Norwegian somatic hospitals.
should read ‘16 865 men and women aged 30 and 36–79 years participated in the first survey of the Population-based Study on Health and Living Conditions in Sami and NorwegianPopulations (the SAMINOR 1 Survey) in 2003–2004. Information on SMI and SRS was available from self-administered questionnaires for 15 005 and 15 088 of these participants, respectively. We compared this information with hospital discharge data from 1994 until SAMINOR 1 Survey attendance.
Sensitivity, specificity, positive predictive value (PPV), negative predictive value and κ.
The sensitivity and PPV of SMI were 90.1% and 78.9%, respectively; the PPV increased to 93.1% when all ischaemic heart disease (IHD) diagnoses were included. The SMI prevalence estimate was 2.3% and hospital-based 2.0%. The sensitivity and PPV of SRS were 81.1% and 64.3%, respectively. The SRS prevalence estimate was 1.5% and hospitalisation-based 1.2%. Moderate to no variation was observed in validity according to ethnicity, sex, age and education.
The sensitivity and PPV of SMI were high and moderate, respectively; for SRS, both of these measures were moderate. Our results show that SMI from the SAMINOR 1 Survey may be used in aetiological/analytical studies in this population due to a high IHD-specific PPV. The SAMINOR 1 questionnaire may also be used to estimate the prevalence of acute myocardial infarction and acute stroke.
挪威需要有关自我报告的心肌梗死（SMI）和自我报告的中风（SRS）有效性的最新知识。我们的目的是比较来自萨米族和挪威族人群地区的问卷调查数据和医院出院数据，以按种族、性别、年龄和教育程度评估这些结果的有效性。
使用来自挪威所有躯体医院的横断面问卷调查数据和医院出院数据进行的验证研究。
应改为“16865名年龄在30岁以及36 - 79岁的男性和女性参与了2003 - 2004年萨米族和挪威族人群健康与生活状况基于人群的研究（SAMINOR 1调查）的首次调查。这些参与者中，分别有15005人和15088人通过自行填写的问卷提供了有关SMI和SRS的信息。我们将这些信息与1994年至SAMINOR 1调查参与期间的医院出院数据进行了比较。
敏感性、特异性、阳性预测值（PPV）、阴性预测值和κ值。
SMI的敏感性和PPV分别为90.1%和78.9%；当纳入所有缺血性心脏病（IHD）诊断时，PPV增至93.1%。SMI患病率估计为2.3%，基于医院的患病率为2.0%。SRS的敏感性和PPV分别为81.1%和64.3%。SRS患病率估计为1.5%，基于住院治疗的患病率为1.2%。根据种族、性别、年龄和教育程度，未观察到有效性有中度至无变化。
SMI的敏感性和PPV分别较高和中等；对于SRS，这两项指标均为中等。我们的结果表明，由于IHD特异性PPV较高，SAMINOR 1调查中的SMI可用于该人群的病因学/分析研究。SAMINOR 1问卷也可用于估计急性心肌梗死和急性中风的患病率。
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