Review Article
Abnormal Sleep Duration as Predictor for Cardiovascular Diseases: A Systematic Review of Prospective Studies
Table 1
Baseline information of the 10 prospective cohort studies.
| No. | Authors | Year of publication | Country | Number of participants | Baseline year | Follow-up (years) | Mean participants’ age (years) | Male percentage (%) | Sleep assessment tool | Outcome assessed |
| 1 | Song et al. [37] | 2015 | China | 95,903 | 2006-2007 | Mean 3.98 | | 79.55 | Questionnaire | Myocardial infarction | 2 | Girschik et al. [22] | 2016 | South Korea | 1715 | 2005-2008 | Mean 2.6 | 53.54 | 36.68 | Questionnaire | Hypertension | 3 | Mallinson et al. [23] | 2016 | China | 32,137 | 2006-2007 | Mean 3.98 | | 73.41 | Questionnaire | Hypertension | 4 | Yadav et al. [24] | 2016 | China | 874 | 2011-2012 | Mean 2 | 56.14 | 25.29 | Interview | Hypertension | 5 | Wang et al. [25] | 2016 | China | 19,370 | 2008-2010 | 3 to 5 | 62.8 | 30.11 | Questionnaire | Coronary heart disease (nonfatal MI, stable angina, unstable angina, unspecified CHD, or CHD death) | 6 | Song et al. [31] | 2016 | UK | 3723 | 2003 | 9 | 68.13 | 100 | Questionnaire | Heart failure | 7 | Lao et al. [27] | 2017 | China | 87,693 | 2006-2007 | Median 7.89 | 50.54 | 78.65 | Questionnaire | Atrial fibrillation | 8 | Wang et al. [29] | 2017 | USA | 6441 | 1995-1998 | Median 11.4 | | 46.5 | Questionnaire | Cardiovascular disease (first event of nonfatal or fatal myocardial infarction, angina pectoris, revascularization procedure, or stroke) | 9 | Yang et al. [26] | 2018 | Taiwan | 60,586 | 1996-2014 (for total cohort) | Mean 5.6 | | 46.3 | Interview | Coronary heart disease | 10 | Wannamethee et al. [28] | 2020 | China | 52,599 | 2006, 2008, 2010 | Mean 6.7 | | 76.1 | Questionnaire | Cardiovascular events (atrial fibrillation, myocardial infarction, and stroke) |
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