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Table 1 Baseline characteristics of the study population stratified by vital status.

From: Self-perceived quality of life predicts mortality risk better than a multi-biomarker panel, but the combination of both does best

Characteristics Survivors (N = 3,803) Decedents (N = 456) p *
Gender, female 53.2 32.2 < 0.001
Age, years 47.0 (34.2; 60.4) 70.3 (63.4; 76.2) < 0.001
Physical component scale (PCS-12) 48.1 (44.2; 50.3) 43.9 (39.1; 48.8) < 0.001
Mental component scale (MCS-12) 44.4 (40.7; 47.6) 46.1 (41.6; 50.2) < 0.001
General health, %    < 0.001
   very good & good 18.7 5.3  
   fair 64.5 53.7  
   poor & very poor 16.8 41.0  
Civil status (cohabiting), % 76.3 67.4 < 0.001
Educational level, %    < 0.001
   < 10 y 35.5 75.3  
   = 10 y 48.3 17.6  
   > 10 y 16.2 7.1  
Occupational status, %    < 0.001
   Worker 15.7 2.9  
   Employee 32.4 4.4  
   Academic/self-employed 5.9 1.8  
   No paid job 46.0 90.9  
Household income, € 949.0 (636.8; 1214.3) 970.5 (703.0; 1175.0) 0.464
Smoking status, %    < 0.001
   Never 36.1 32.2  
   Former 32.8 42.9  
   Current 31.1 24.9  
Subject's medical history, %    
   Hypertension 20.8 46.2 < 0.001
   Myocardial infarction 2.6 9.6 < 0.001
   Stroke 1.6 8.1 < 0.001
   Diabetes mellitus 4.8 20.2 < 0.001
Riskful alcohol consumption, % 14.8 12.2 0.137
Physically active, % 44.1 24.5 < 0.001
Waist circumference, cm 88.1 (78.0; 98.2) 97.2 (89.0; 104.2) < 0.001
Food consumption, %    < 0.001
   Unfavorable 35.4 48.1  
   Regular 22.5 27.1  
   Optimal 42.1 24.8  
High sensitive C-reactive protein, mg/l 1.25 (0.62; 2.90) 2.48 (1.17; 5.59) < 0.001
Fibrinogen, g/l 2.83 (2.50; 3.33) 3.25 (2.76; 3.80) < 0.001
Glycated hemoglobin, % 5.3 (4.9; 5,7) 5.8 (5.3; 6,4) < 0.001
Total cholesterol, mmol/l 5.66 (4.91; 6.47) 5.89 (5.15; 6.55) 0.009
Triglycerides, mmol/l 1.45 (0.99; 2.22) 1.74 (1.24; 2.68) < 0.001
Albumin (urine), mg/l 7.5 (4.2; 15.2) 12.1 (6.1; 33.6) < 0.001
Gamma glutamyltransferase, μmol/L s 0.33 (0.23; 0.55) 0.40 (0.27; 0.76) < 0.001
Glomerular filtration rate, ml/min 75.3 (66.7; 84.1) 66.8 (56.8; 78.4) < 0.001
Thyrotropin, mU/l 0.67 (0.45; 0.98) 0.59 (0.36; 0.91) < 0.001
Insulin-like growth factor-I, ng/ml 136.0 (105.2; 174.4) 107.5 (82.6; 142.2) < 0.001
  1. Data are percentages or median (25th; 75th).
  2. * p-values based on χ2 (qualitative data) or Mann-Whitney-U test (quantitative data).
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