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Table 3 The Correlation between the DIC score and the parameters of the APTT waveform

From: Usefulness of the APTT waveform for the diagnosis of DIC and prediction of the outcome or bleeding risk

Parameters r P  
2nd derivative peak-1 time 0.2768 P < 0.001 Y = 4.74 X + 36.57
2nd derivative peak-1 wide 0.1870 P < 0.01 Y = 1.44 X + 12.21
2nd derivative peak-1 height −0.5342 P < 0.001 Y = − 94.56 X + 1002.41
2nd derivative peak-2 wide 0.2991 P < 0.001 Y = 6.07 X + 43.55
2nd derivative peak-2 height −0.5605 P < 0.001 Y = −51.87X + 514.24
1st derivative peak time 0.2950 P < 0.001 Y = 5.05 X + 40.83
1st derivative peak height −0.5714 P < 0.001 Y = −50.39 X + 553.33
1st derivative peak wide 0.2944 P < 0.0001 Y = 7.98 X + 54.30
1/2 fibrin formation time 0.3098 P < 0.0001 Y = 5.89 X + 40.64
1/2 fibrin formation height −0.3593 P < 0.0001 Y = −30.37 X + 563.74
  1. DIC disseminated intravascular coagulation, APTT activated partial thromboplastin time