Table 2.
Patient and treating institution characteristics
| Non-Resuscitative Thoracotomy n=246 | Sternotomy n=246 | Standardized Difference | |
|---|---|---|---|
| A. Demographics | |||
|
| |||
| Age* | 33.6 (13.9) | 34.0 (13.1) | 0.03 |
|
| |||
| Male | 224 (91) | 220 (89) | 0.05 |
|
| |||
| Race | 89 (36) | 89 (36) | |
|
| |||
| White | 157 (64) | 157(64) | 0.07 |
|
| |||
| Non-white | |||
|
| |||
| B. Admission and Injury characteristics | |||
|
| |||
| SBP*, mmHg | 106.7±44.5 | 108.8 ±32.6 | 0.05 |
|
| |||
| AIS severity of cardiac injury >2, | 214(87) | 208 (85) | 0.08 |
|
| |||
| Presence of extra-thoracic injuries | 73 (30) | 77 (31) | 0.04 |
|
| |||
| (AIS 1-2) | |||
|
| |||
| ISS* | 27.7 ± 20.0 | 25.2 ± 19.4 | 0.13 |
|
| |||
| C. Treating institution | |||
|
| |||
| Community | 73 (30) | 68 (28) | |
|
| |||
| University | 161 (66) | 168 (68) | 0.07 |
|
| |||
| Non-teaching | 12 (5) | 10 (4) | |
|
| |||
| Trauma Level | 240 (98) | 241 (98) | 0.03 |
|
| |||
| I-II | |||
|
| |||
| Bed Size ≤ 350 351-500 >500 |
67 (27) 86 (35) 93 (38) |
62 (25) 88 (36) 96 (39) |
0.05 |
|
| |||
| Number of Surgeons 0-3 4-6 >6 |
13 (5) 108 (44) 111 (45) |
12 (5) 111 (45) 112 (46) |
0.09 |
|
| |||
| Missing | 14 (6) | 11 (5) | |
All data are presented as n (percent) unless indicated otherwise. AIS, Abbreviated Injury Scale; ISS, injury severity score; SBP, systolic blood pressure; *, mean ±standard deviation.