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Table 1 Demographic and clinical characteristics of the study population

From: Non breathing-related sleep fragmentation and imaging markers in patients with atherosclerotic cerebral small vessel disease (CSVD): a cross-sectional case-control study

GroupsnAge, mean (SD)Male, n (%)BMI ≥ 25, n (%)Single, n (%)
Study group8460.1 ± 8.447 (56.0%)37 (44.0%)7 (8.3%)
Control group 61.8 ± 10.214 (58.3%)11 (45.8%)4 (16.7%)
t/χ2240.136a0.043b0.024b1.417b
P 0.7280.8360.8770.234
GroupsnRetirement, n (%)Education < 12 years, n (%)Insomnia complaints, n (%)Insomnia, n (%)
Study group8438 (51.4%)41 (48.8%)63 (75.0%)54 (64.3%)
Control group2411 (45.8%)15 (62.5%)9 (37.5%)7 (29.2%)
t/χ2 0.221b1.401b11.8139.366
P 0.6380.2360.0010.002
  1. at value, b χ2 value
  2. Abbreviations: SD standard deviation; BMI body mass index