Table 1 Summary of cut-off value or RIs for six coagulation parameters.
From: Reference intervals for coagulation parameters in chinese adults stratified by sex and age
Test (units) | Method | Manufacturers | Groups | Number | Cut-off value/RIs | Definition |
|---|---|---|---|---|---|---|
LA normalized ratio | Clot-based assays | Stago | NA | 27 | > 1.20 | NA |
Werfen | NA | 40 | > 1.20 | Mean + 3SD | ||
Sysmex | Age: 18–55 years | 26 | > 1.2 | NA | ||
Beijing strong | Age: 18–60 years | 153 | > 1.2 | 97.5% | ||
Mindray* | Age: 18–65 years | 425 | > 1.20 | 99% | ||
Protein S (%) | Clot-based assays | Stago | Age: 18–65 years | 156 | NA | NA |
Male | 94 | 77–143% | ||||
Female | 62 | 55–123% | ||||
Werfen | NA | 164 | 63.5–149.0% | NA | ||
Siemens | Overall | 218 | 60–130% | 5–95% | ||
Male | NA | 75–130% | ||||
Female/Non-fertility drug user | NA | 59–118% | ||||
Female/Fertility drug user | NA | 52–118% | ||||
Mindray* | Age: 18–65 years | 448 | 64.0–134.1% | 2.5–97.5% | ||
Male | 203 | 73.0–136.3% | ||||
Female | 245 | 57.7–122.6% | ||||
Protein C (%) | Chromogenic substrate assays | Stago | Adult | NA | 70–130% | NA |
Werfen | NA | NA | 70–140% | NA | ||
Siemens | NA | NA | 70–140% | NA | ||
Mindray* | Age: 18–65 years | 448 | 68.1–143.1% | 2.5–97.5% | ||
Age: 18–50 years | 303 | 68.5–137.6% | ||||
Age: 51–65 years | 145 | 67.3–145.1% | ||||
Factor VIII (%) | Clot-based assays | Stago | Adult | NA | 60–150% | NA |
Werfen | NA | NA | 50–150% | NA | ||
Siemens | NA | NA | 70–150% | NA | ||
Mindray* | Age: 18–65 years | 448 | 58.1–157.5% | 2.5–97.5% | ||
Age: 18–35 years | 170 | 54.4–151.4% | ||||
Age: 36–50 years | 133 | 63.6–156.0% | ||||
Age: 51–65 years | 145 | 71.2–158.1% | ||||
Factor IX (%) | Clot-based assays | Stago | Adult | NA | 60–150% | NA |
Werfen | NA | NA | 65–150% | NA | ||
Siemens | NA | NA | 70–120% | NA | ||
Mindray* | Age: 18–65 years | 448 | 70.5–152.2% | 2.5–97.5% | ||
vWF Ag (%) | Immunoturbidimetry | Stago | Adult | NA | 50–160% | NA |
Werfen | Overall | 252 | NA | NA | ||
Blood type O | 126 | 42.0–140.8% | ||||
Blood type A + B + AB | 126 | 66.1–176.3% | ||||
Siemens | Adult | NA | 50–160% | NA | ||
Mindray* | Age: 18–65 years | 448 | 53.1–176.1% | 2.5–97.5% | ||
Age: 18–35 years | 170 | 45.4–162.6% | ||||
Age: 36–50 years | 133 | 60.3–176.2% | ||||
Age: 51–65 years | 145 | 69.5–181.9% |
