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Table 3 Estimation of blood loss and allogenic transfusion

From: Active ankylosing spondylitis increases blood loss during total hip arthroplasty for a stiff hip joint

 Stable disease groupActive disease groupP
Change of Hct (L/L)0.062 ± 0.0350.081 ± 0.0340.076
Uncompensated RBC loss (mL)255.89 ± 149.08327.32 ± 151.280.121
Compensated RBC loss (mL)239.47 ± 169.92384.94 ± 230.940.027
Total blood loss (mL)1415.31 ± 552.372035.04 ± 791.350.006
Total blood loss (mL) (males)1497.44 ± 570.952058.69 ± 811.940.030
Allogenic transfusion rate13/17 (76.47%)27/32 (84.37%)0.700
RBC transfusion(u)1.53 ± 1.072.31 ± 1.530.066
  1. chi-square test, the rest- Student t-test;