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Table 4 Laboratory Parameter

From: Comparison of 3,000 and 5,000 IU aXa/day certoparin in the prevention of deep-vein thrombosis after total hip replacement

  3,000 IU aXa/d Certoparin (n = 247) 5,000 IU aXa/d Certoparin (n = 232) p-value
aPPT (sec; mean ± SD)
Preoperatively 42.5 ± 13.1 42.3 ± 12.0 n.s.
Post-op day 1 49.2 ± 17.1 51.9 ± 18.5 n.s.
Post-op day 5 43.9 ± 10.9 45.5 ± 14.3 n.s.
Last post-op day 44.7 ± 19.6 45.0 ± 19.7 n.s.
HEPTEST (IU/ml; mean ± SD)
Preoperatively 0.16 ± 0.18 0.21 ± 0.29 0.021
Post-op day 1 0.27 ± 0.16 0.33 ± 0.17 <0.001
Post-op day 5 0.21 ± 0.12 0.28 ± 0.18 <0.001
Last post-op day 0.21 ± 0.12 0.29 ± 0.18 <0.001
Number of platelet counts < 100,000/μl
Preoperatively 0 1 n.s.
Post-op day 1 1 6 n.s.
Post-op day 5 3 0 n.s.
Last post-op day 1 1 n.s.
  1. *Values refer to number of patients; ** (ml; mean ± SD).