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Table 3 Multivariate relationship between sleep problems and coagulation factors

From: Association of sleep problems with neuroendocrine hormones and coagulation factors in patients with acute myocardial infarction

Entered variables Fibrinogen D-dimer VWF
Partial corr. P Partial corr. P Partial corr. P
Age −0.059 0.439 −0.125 0.102 −0.006 0.942
Male sex −0.073 0.343 −0.083 0.278 −0.114 0.137
Education −0.190 0.012 −0.096 0.208 −0.018 0.810
Charlson index 0.115 0.133 0.177 0.020 0.021 0.779
Hypertension history 0.078 0.309 0.037 0.628 −0.034 0.654
High cholesterol history 0.041 0.591 −0.063 0.409 −0.049 0.522
Depression history −0.178 0.019 0.037 0.627 −0.060 0.432
Body mass index 0.133 0.081 −0.011 0.890 0.136 0.075
Smoking 0.032 0.678 −0.061 0.426 0.003 0.973
Alcohol consumption −0.054 0.477 0.087 0.253 0.032 0.674
Physical activity −0.090 0.238 0.069 0.367 −0.012 0.877
Previous MI 0.047 0.538 0.155 0.042 0.082 0.286
ST-elevation MI 0.158 0.038 0.019 0.800 0.010 0.898
Stenotic coronary arteries 0.074 0.331 −0.083 0.280 0.003 0.972
GRACE risk score 0.102 0.180 0.279 < 0.001 0.276 < 0.001
Acute distress 0.033 0.668 0.060 0.430 0.126 0.097
Sleep difficulties 0.158 0.037 0.040 0.600 0.079 0.299
High risk of OSA −0.038 0.618 −0.082 0.283 0.017 0.828
Model statistic R2 = 0.216
F18,171 = 2.61
P = 0.001
R2 = 0.245
F18,171 = 3.08
P < 0.001
R2 = 0.236
F18,171 = 2.93
P < 0.001
  1. Linear regression model with all variables entered in one block. Significant partial correlation coefficients (Partial corr.) and P-values are given in bold
  2. GRACE Global Registry of Acute Cardiac Events, MI myocardial infarction, OSA obstructive sleep apnea, VWF von Willebrand factor