Table 4 The association between the coagulation profile and treatment outcomes of two-staged arthroplasty. Corresponding cut-off and predictive values
AUC (95% CI) | Yonden index | Optimal cut-off | Sensitivity | specificity | |
|---|---|---|---|---|---|
The coagulation profile before reimplantation | |||||
APTT | 0.526(0.377,0.674) | 0.170 | 33.45 | 92.9 | 24.1 |
PT | 0.608(0.454,0.762) | 0.3 | 13.15 | 58.6 | 28.6 |
TT | 0.482(0.29,0.674) | 0.158 | 16.05 | 57.1 | 41.4 |
D-dimer | 0.542(0.359,0.725) | 0.262 | 1.19 | 66.2 | 60 |
Platelet count | 0.560(0.417,0.702) | 0.188 | 231.5 | 33 | 85.7 |
INR | 0.632(0.479,0.786) | 0.335 | 1.005 | 62.1 | 71.4 |
ESR | 0.465(0.282,0.647) | 0.083 | 31 | 8.3 | 100 |
CRP | 0.615(0.427,0.803) | 0.318 | 0.33 | 81.8 | 50 |
Combined coagulation profile | 0.667(0.511,0.823) | NA | NA | NA | NA |
The change of coagulation profile from preresection to preimplantation | |||||
APTT | 0.546 (0.378, 0.714) | 0.145 | -3.8 | 78.6 | 21.4 |
PT | 0.545 (0.392, 0.699) | 0.175 | 0.95 | 18.3 | 81.7 |
TT | 0.493 (0.327, 0.659) | 0.096 | 2.5 | 10 | 100 |
D-dimer | 0.611 (0.403, 0.819) | 0.278 | -0.395 | 70.7 | 57.1 |
Platelet count | 0.528 (0.374, 0.682) | 0.248 | 56.5 | 63.3 | 61.5 |
INR | 0.626 (0.488, 0.765) | 0.235 | 0.05 | 57.1 | 66.4 |
Plasma fibrinogen | 0.549 (0.363, 0.736) | 0.227 | 0.365 | 79.8 | 57.1 |
Combined coagulation profile | 0.667 (0.526, 0.808) | NA | NA | NA | NA |