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Table 1 Demographics and patient characteristics, comparing mean values by categorical HIA status

From: Temporality of heparin-induced antibodies: a retrospective study in outpatients undergoing hemodialysis on unfractionated heparin

  Overall HIA negative (OD < 0.400) HIA positive (OD ≥ 0.400) HIA positive and HNP > 50% HIA strong positive (OD ≥ 1.000)
Age (years; mean ± SD) 54 ± 15 52 ± 14 55 ± 15 56 ± 20 64 ± 13
Female sex (%) 53 53 52 55 30*
Body mass index (kg/m2; mean ± SD) 28.8 ± 8.2 32 ± 8.3 28.5 ± 7.7 27.8 ± 8.3 27.4 ± 5.1
Time on dialysis (months; mean ± SD) 16.3 ± 29.1 17.8 ± 27.3 12.5 ± 33.0 13.3 ± 36.4 8.3 ± 25.1
Ever smoker (%) 33.3 35.1 29.2 24.2 18.2*
History of cancer (%) 9.7 9.2 7.1 3.1* 9.1
Race (%)
 African American 81 81 81 76 72*
 Caucasian 13 13 12 12 28*
 Other 6 6 7 12 0*
  1. * p < 0.05 for independence