Summary statistics of QStat and ROTEM data
| Quantra QStat | ROTEM | ||||||||
| CT | CS | PCS | FCS | CSL | INTEM CT | EXTEM A20 | FIBTEM A20 | EXTEM ML* | |
| N obs | 63 | 62 | 59 | 59 | 60 | 54 | 62 | 63 | 61 |
| Mean (SD) | 119.1 (25.3) | 15.7 (7.4) | 14.4 (6.2) | 1.7 (1.3) | 92.4 (20.1) | 157.3 (38.6) | 55.1 (13.6) | 12.9 (6.0) | 9.6 (21.2) |
| Min | 73 | <2.0 | <2.0 | 0.5 | 8.0 | 98 | 0.0 | 0.0 | 0.0 |
| Max | 198 | 46.8 | 37.1 | 9.7 | 100 | 302 | 75 | 34 | 100 |
| Below RR (N,%) | 16 (25.4) | 26 (41.9) | 22 (37.3) | 12 (20.3) | 8 (13.3) | 9 (16.7) | 15 (24.2) | 6 (9.5) | N/A |
| Above RR (N,%) | 3 (4.8) | 1 (1.6) | 1 (1.7) | 2 (3.4) | N/A | 4 (7.4) | 3 (4.8) | 3 (4.8) | 5 (8.2) |
QStat preliminary RR: CT: 104–166 s; CS: 13.0–33.2 hPa; PCS: 11.9–29.8 hPa; FCS: 1.0–3.7 hPa; CSL: 100%–93%.
ROTEM RR: INTEM CT: 122–208 s; EXTEM A20: 50–70 mm; FIBTEM A20: 7–24 mm; EXTEM ML (@60 min): 0%–15%.
*Calculated at 60 min after clot time.
CS, clot stiffness; CSL, clot stability to lysis; CT, clot time; FCS, fibrinogen contribution to clot stiffness; PCS, platelet contribution to clot stiffness; RR, reference ranges.