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Table 2 Laboratory values, ASDAS, operation time and hemostatic

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

 Stable disease groupActive disease groupP
ASDAS0.97 ± 0.202.55 ± 0.90< 0.001*
Preoperative CRP (mg/L)3.04 ± 1.3016.59 ± 11.91< 0.001*
Preoperative ESR (mm/1 h)10.82 ± 5.9230.37 ± 20.16< 0.001*
Preoperative Hb(g/L)142.18 ± 13.03132.41 ± 16.500.040
Preoperative Fbgc(g/L)3.29 ± 8.183.77 ± 0.740.045
Preoperative ALB (g/L)40.40 ± 2.6838.59 ± 4.060.048*
Preoperative Hct (L/L)0.421 ± 0.0330.406 ± 0.0410.200
Preoperative Plt(× 109/L)246.00 ± 67.86277.62 ± 80.790.176
Preoperative PT(s)12.48 ± 0.9711.90 ± 1.070.071
Preoperative PT%85.04 ± 13.0392.65 ± 17.450.122
Preoperative PT-INR()1.08 ± 0.101.03 ± 0.100.083
Preoperative APTT(s)33.63 ± 3.0932.61 ± 3.190.122
Preoperative TT(s)17.22 ± 1.5116.97 ± 1.950.651
Operation time (min)93.53 ± 18.8397.47 ± 32.800.925*
Osteoporosis in imaging (Y/N)11/628/40.067
The strategy of using hemostatic(a/b/c/d)7/3/4/314/8/3/70.585
  1. * non-parametric rank sum test, chi-square test with Fisher’s exact test, the rest- Student t-test;
  2. a- “neither of HCA or TXA was used” b- “only HCA was used”,
  3. c- “only TXA was used” d- “both of HCA and TXA were used”