Normative control values
| . | Mean . | Standard error . | 95% CI . | Laboratory reference range . |
|---|---|---|---|---|
| PT, s | 11.9 | 0.10 | 10.6-13.5 | 10.2-13.1 |
| INR | 1.1 | 0.01 | 1.0-1.2 | 0.9-1.1 |
| PTT, s | 32.8 | 0.58 | 28.3-37.5 | 27.0-37.0 |
| Fibrinogen, g/L | 2.4 | 0.06 | 1.7-3.3 | 1.4-4.1 |
| Antithrombin, U/mL | 1.03 | 0.013 | 0.86-1.21 | 0.078-1.24 |
| Protein C activity, U/mL | 0.87 | 0.025 | 0.52-1.27 | 0.67-1.26 |
| Protein S activity, U/mL | 0.87 | 0.019 | 0.64-1.11 | 0.71-1.42 |
| Protein S free, U/mL | 0.83 | 0.016 | 0.63-1.10 | 0.65-1.22 |
| Factor VIII, U/mL | 1.00 | 0.034 | 0.60-1.53 | 0.54-1.47 |
| Factor IX, U/mL | 0.76 | 0.018 | 0.54-1.07 | 0.55-1.6 |
| Factor XI, U/mL | 1.15 | 0.032 | 0.77-1.57 | 0.55-1.38 |
| Lp(a), g/L | 0.23 | 0.039 | 0.00-0.73 | <0.3 |
| . | Mean . | Standard error . | 95% CI . | Laboratory reference range . |
|---|---|---|---|---|
| PT, s | 11.9 | 0.10 | 10.6-13.5 | 10.2-13.1 |
| INR | 1.1 | 0.01 | 1.0-1.2 | 0.9-1.1 |
| PTT, s | 32.8 | 0.58 | 28.3-37.5 | 27.0-37.0 |
| Fibrinogen, g/L | 2.4 | 0.06 | 1.7-3.3 | 1.4-4.1 |
| Antithrombin, U/mL | 1.03 | 0.013 | 0.86-1.21 | 0.078-1.24 |
| Protein C activity, U/mL | 0.87 | 0.025 | 0.52-1.27 | 0.67-1.26 |
| Protein S activity, U/mL | 0.87 | 0.019 | 0.64-1.11 | 0.71-1.42 |
| Protein S free, U/mL | 0.83 | 0.016 | 0.63-1.10 | 0.65-1.22 |
| Factor VIII, U/mL | 1.00 | 0.034 | 0.60-1.53 | 0.54-1.47 |
| Factor IX, U/mL | 0.76 | 0.018 | 0.54-1.07 | 0.55-1.6 |
| Factor XI, U/mL | 1.15 | 0.032 | 0.77-1.57 | 0.55-1.38 |
| Lp(a), g/L | 0.23 | 0.039 | 0.00-0.73 | <0.3 |
Mean, variance, and 95% confidence intervals are shown for all quantified variables. Existing reference ranges from our laboratory based on testing in adolescents and adults are provided for comparison
INR, international normalized ratio; PT, prothrombin time; PTT, partial thromboplastin time.