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Table 3 Characteristics of study participants and causes of death by predicted class membership

From: Prediagnostic serum glucose and lipids in relation to survival in breast cancer patients: a competing risk analysis

  BC P-value
  Class I Class II
(N = 1466) (N = 332)
  N % N %
Age, years      <0.0001
 Mean 57.6 60.5  
 SD 10.9 15.0  
SES      <0.0001
 White collar 554 37.8 94 28.3  
 Blue collar 739 50.4 155 46.7  
 Unemployed or missing 173 11.8 83 25.0  
Fasting status      0.55
 Fasting 827 56.4 200 60.2  
 Non-fasting 477 32.5 91 27.4  
 Missing 162 11.1 41 12.4  
Glucose (mmol/l)      0.08
 Mean 5.1 5  
 SD 1.3 1.1  
TG (mmol/l)      0.32
 Mean 1.3 1.3  
 SD 0.8 0.8  
TC (mmol/l)      0.34
 Mean 5.9 6.0  
 SD 1.2 1.2  
BC death 342 23.3 83 25.0 0.52
CV death 129 8.8 50 15.1 <0.0001
Other death 60 4.1 197 59.3 <0.0001