Research Article
Evaluation of the Utility of Thromboelastography in a Tertiary Trauma Care Centre
Table 3
Sensitivity, specificity, and accuracy of thromboelastography in comparison to the convention coagulation assay (PT/aPTT).
| | Characteristics | Laboratory reference range
% (95% CI) | Manufacturers range
% (95% CI) | TEG using coagulation index
% (95% CI) |
| | Sensitivity (%) TP/(TP + FN) | 29.4 (18.7–43) | 74.5 (61.1–84.4) | 45.0 (32.2–58.6) | | Specificity (%) TN/(TN + FP) | 84.8 (76.5–90.6) | 32.3 (23.9–42.0) | 42.4 (33.1–52.2) | | Positive predictive value (%) TP/(TP + FP) | 50.0 (33.1–66.8) | 25.3 (27.6–45.7) | 28.7 (19.9–39.4) | | Negative predictive value (%) TN/(FN + TN) | 70.0 (61.2–77.4) | 71.1 (56.6–82.2) | 60.0 (48.2–70.6) | | Diagnostic accuracy (%) (TN + TP)/(TN + TP + FN + FP) | 66.0 (58.1–73.1) | 46.6 (38.8–54.6) | 43.3 (35.6–51.3) |
|
|
