Table 2.
Patient and Injury Characteristics by Hypotension/Hypoxia Status
| All# | No hypotension nor hypoxia# | Hypotension only# | Hypoxia only# | Both conditions# | ||
|---|---|---|---|---|---|---|
| Characteristics | 13151 | 11545 | 604 | 790 | 212 | |
| Death | No | 12067 (91.8%) | 10901 (94.4%) | 479 (79.3%) | 568 (71.9%) | 119 (56.1%) |
| Yes | 1084 (8.2%) | 644 (5.6%) | 125 (20.7%) | 222 (28.1%) | 93 (43.9%) | |
| Age (year) | 45 (26, 64) | 45 (26, 65) | 44 (25, 62) | 48 (28.2, 66) | 32.5 (21, 50) | |
| Male | No | 4135 (31.4%) | 3633 (31.5%) | 202 (33.4%) | 236 (29.9%) | 64 (30.2%) |
| Yes | 9016 (68.6%) | 7912 (68.5%) | 402 (66.6%) | 554 (70.1%) | 148 (69.8%) | |
| Race | Black | 386 (2.9%) | 341 (3%) | 11 (1.8%) | 31 (3.9%) | 3 (1.4%) |
| American Indian/Alaska Nat. | 1087 (8.3%) | 950 (8.2%) | 59 (9.8%) | 52 (6.6%) | 26 (12.3%) | |
| Asian | 129 (1%) | 114 (1%) | 6 (1%) | 7 (0.9%) | 2 (0.9%) | |
| White | 9868 (75%) | 8646 (74.9%) | 453 (75%) | 610 (77.2%) | 159 (75%) | |
| Other | 1570 (11.9%) | 1405 (12.2%) | 69 (11.4%) | 78 (9.9%) | 18 (8.5%) | |
| Unknown | 111 (0.8%) | 89 (0.8%) | 6 (1%) | 12 (1.5%) | 4 (1.9%) | |
| Hispanic | No | 10083 (76.7%) | 8837 (76.5%) | 456 (75.5%) | 625 (79.1%) | 165 (77.8%) |
| Yes | 2743 (20.9%) | 2430 (21%) | 124 (20.5%) | 145 (18.4%) | 44 (20.8%) | |
| Unknown | 325 (2.5%) | 278 (2.4%) | 24 (4%) | 20 (2.5%) | 3 (1.4%) | |
| Payer | Private | 4292 (32.6%) | 3782 (32.8%) | 190 (31.5%) | 243 (30.8%) | 77 (36.3%) |
| AHCCCS/Medicaid | 3415 (26%) | 2958 (25.6%) | 180 (29.8%) | 208 (26.3%) | 69 (32.5%) | |
| Medicare | 2846 (21.6%) | 2537 (22%) | 113 (18.7%) | 177 (22.4%) | 19 (9%) | |
| Self Pay | 1698 (12.9%) | 1487 (12.9%) | 82 (13.6%) | 101 (12.8%) | 28 (13.2%) | |
| Other | 633 (4.8%) | 552 (4.8%) | 22 (3.6%) | 44 (5.6%) | 15 (7.1%) | |
| Unknown | 267 (2%) | 229 (2%) | 17 (2.8%) | 17 (2.2%) | 4 (1.9%) | |
| Trauma Type | Blunt | 12665 (96.3%) | 11213 (97.1%) | 541 (89.6%) | 720 (91.1%) | 191 (90.1%) |
| Penetrating | 486 (3.7%) | 332 (2.9%) | 63 (10.4%) | 70 (8.9%) | 21 (9.9%) | |
| Head Injury Severity Score (ICD) | 1–3 | 7182 (54.6%) | 6573 (56.9%) | 284 (47%) | 274 (34.7%) | 51 (24.1%) |
| 4 | 3874 (29.5%) | 3476 (30.1%) | 139 (23%) | 208 (26.3%) | 51 (24.1%) | |
| 5–6 | 1962 (14.9%) | 1391 (12%) | 165 (27.3%) | 299 (37.8%) | 107 (50.5%) | |
| Unknown | 133 (1%) | 105 (0.9%) | 16 (2.6%) | 9 (1.1%) | 3 (1.4%) | |
| Injury Severity Score (ICD) | 1–14 | 5372 (40.8%) | 5090 (44.1%) | 137 (22.7%) | 132 (16.7%) | 13 (6.1%) |
| 16–24 | 4381 (33.3%) | 3986 (34.5%) | 168 (27.8%) | 198 (25.1%) | 29 (13.7%) | |
| 25+ | 3398 (25.8%) | 2469 (21.4%) | 299 (49.5%) | 460 (58.2%) | 170 (80.2%) | |
| Inter-facility Transfer | No | 8890 (67.6%) | 7662 (66.4%) | 410 (67.9%) | 641 (81.1%) | 177 (83.5%) |
| Yes | 4176 (31.8%) | 3808 (33%) | 191 (31.6%) | 144 (18.2%) | 33 (15.6%) | |
| Unknown | 85 (0.6%) | 75 (0.6%) | 3 (0.5%) | 5 (0.6%) | 2 (0.9%) | |
#
median (interquartile range) for continuous variables and count (percentage) for categorical variables