Table 2.
Shock-related index between patients with and without massive transfusion in elderly trauma patients
| Overall elderly (n = 1949) |
Non–MT (n = 1893) |
MT (n = 56) |
P value | |
|---|---|---|---|---|
| Age (IQR), yr | 76.0 (70.0–81.0) | 76.0 (70.0–81.0) | 76.0 (70.0–82.5) | 0.766 |
| Male sex, n (%) | 1002 (51.4) | 964 (50.9) | 38 (67.9) | 0.012 |
| Taking antihypertensives, n(%) | 998 (51.2) | 979 (51.7) | 19 (33.9) | 0.009 |
| Shock-related Index categories | ||||
| At injury scene (prehospital) | ||||
| SBP (IQR), mmHg | 140.0 (121.0–160.0) | 140.0 (120.0–160.0) | 100.0 (100.0–120.0) | < 0.001 |
| SI (IQR) | 0.59 (0.51–0.71) | 0.59 (0.51–0.69) | 0.83 (0.65–0.90) | 0.001 |
| SBP category, n (%) | < 0.001 | |||
| > 110 mmHg | 1768 (90.6) | 1742 (92.0) | 27 (47.4) | |
| 90–110 mmHg | 149 (7.7) | 125 (6.6) | 24 (42.1) | |
| < 90 mmHg | 33 (1.6) | 27 (1.4) | 6 (10.5) | |
| SI category, n (%) | < 0.001 | |||
| < 0.7 | 1443 (73.9) | 1422 (75.1) | 21 (36.8) | |
| 0.7–1.0 | 420 (21.7) | 394 (20.8) | 27 (47.4) | |
| > 1.0 | 86 (4.4) | 78 (4.1) | 9 (15.8) | |
| At ED arrival | ||||
| SBP (IQR), mmHg | 147.0 (124.0–165.0) | 151.0 (129.0–171.0) | 88.0 (80.0–103.0) | < 0.001 |
| SI (IQR) | 0.57 (0.47–0.69) | 0.55 (0.46–0.67) | 0.94 (0.87–1.06) | < 0.001 |
| SBP category, n (%) | < 0.001 | |||
| > 110 mmHg | 1692 (86.8) | 1670 (88.2) | 22 (38.9) | |
| 90–110 mmHg | 172 (8.8) | 168 (8.9) | 4 (7.4) | |
| < 90 mmHg | 85 (4.3) | 55 (2.9) | 30 (53.7) | |
| SI category, n (%) | < 0.001 | |||
| < 0.7 | 1468 (75.4) | 1459 (77.1) | 9 (16.7) | |
| 0.7–1.0 | 372 (19.1) | 354 (18.7) | 18 (31.5) | |
| > 1.0 | 109 (5.5) | 80 (4.2) | 29 (51.9) | |
| GCS, n (%) | < 0.001 | |||
| > 12 | 1778 (91.3) | 1750 (92.3) | 28 (50.0) | |
| 9–12 | 68 (3.5) | 62 (3.3) | 6 (11.4) | |
| < 9 | 103 (5.1) | 81 (4.3) | 22 (38.6) | < 0.001 |
| Injury severity score, n (%) | < 0.001 | |||
| < 16 | 1482 (76.0) | 1473 (77.8) | 9 (16.1) | |
| 16–24 | 292 (15.0) | 267 (14.1) | 25 (44.6) | |
| > 24 | 175 (9.0) | 153 (8.1) | 22 (39.3) | |
| 30-day mortality, n (%) | 149 (7.6) | 121 (6.4) | 28 (50.0) | < 0.001 |
IQR denotes interquartile range
ED emergency department, GCS glasgow coma scale, SBP systolic blood pressure, SI shock index