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Table 1 Descriptive characteristics of study participants overall and by causes of death

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

  All BC Overall death BC death CV death Other death
(n = 1798) (n = 861) (n = 425) (n = 179) (n = 257)
  No. % No. % No. % No. % No. %
Age, years
 Mean 58.1 62.4 56.5 71 66.2
 SD 11.8 13.2 12.5 10.3 11.4
Follow-up time, years
 Mean 13.3 8.3 6.4 9.3 10.6
 SD 6.9 5.9 5.0 6.5 6.0
Interval between measurements and diagnosis, months
 Mean 18.3 18.1 18.3 17.6 17.9
 SD 9.2 9.2 9.0 9.5 9.2
SES
 White collar 648 36.0 235 27.3 147 34.6 30 16.8 58 22.6
 Blue collar 894 49.7 405 47.0 222 52.2 61 34.1 122 47.5
 Unemployed or unknown 256 14.3 221 25.7 56 13.2 88 49.1 77 29.9
Fasting status
 Fasting 1027 57.1 508 59.0 242 56.9 107 59.7 159 62.9
 Non-fasting 568 31.6 254 29.5 133 31.3 52 29.1 69 26.8
 Unknown 203 11.3 99 11.5 50 11.8 20 11.2 29 11.3
Glucose, mmol/L
 Mean 5.1 5.2 5.0 5.5 5.4
 SD 1.2 1.4 1.0 1.2 1.8
TG, mmol/L
 Mean 1.3 1.4 1.3 1.6 1.4
 SD 0.8 0.9 0.9 0.9 0.8
TC, mmol/L
 Mean 5.9 6.1 5.9 6.5 6.2
 SD 1.2 0.8 1.2 1.2 1.2