Arrival vital signs and initial laboratory data
| HYPOFIB (n=18) | NORMAL (n=168) | P value | |
| Arrival heart rate | 118 (102, 146) | 120 (94, 138) | 0.508 |
| Arrival SBP | 91 (75, 108) | 106 (82, 122) | 0.301 |
| Arrival GCS | 3 (3, 3) | 3 (3, 15) | 0.029 |
| Shock (defined by SIPA) | 63% | 66% | 0.781 |
| Arrival temperature, °C | 36.1 (33.7, 37.1) | 36.6 (36.0, 37.0) | 0.215 |
| Arrival FAST (+) | 14% | 40% | 0.030 |
| ED hemoglobin, g/dL | 12.4 (10.5, 14.0) | 12.1 (10.8, 13.3) | 0.521 |
| ED platelets, ×103 | 139 (100, 210) | 237 (184, 302) | 0.001 |
| ED base deficit | 9 (−14 to –3) | 5 (−9 to –2) | 0.124 |
| ED lactate | 6.5 (4.0, 10.3) | 3.9 (2.5, 6.0) | 0.004 |
| ED r-TEG ACT, s | 183 (156, 206) | 113 (105, 121) | <0.001 |
| ED r-TEG k-time, min | 4.4 (3.5, 6.0) | 1.6 (1.2, 2.2) | <0.001 |
| ED r-TEG angle, degree | 47 (36, 52) | 72 (66, 75) | <0.001 |
| ED r-TEG MA, mm | 41 (35, 45) | 62 (56, 67) | <0.001 |
| ED r-TEG LY30 | 0.2 (0.0, 43) | 0.5 (0.1, 1.9) | 0.733 |
Continuous values presented as medians with 25th and 75th IQR.
ACT, activated clotting time; ED, emergency department; FAST, focused assessment for the sonography of trauma; GCS, Glasgow Coma Scale; HYPOFIB, hypofibrinogenemic; LY30, lysis at 30 min; MA, maximum amplitude; r-TEG, rapid thrombelastography; SBP, systolic blood pressure; SIPA, Shock Index Pediatric Age-Adjusted.