Table 3 Comparison of patient groups
From: Prognostic factors in endovascular treated pelvic haemorrhage after blunt trauma
First group | Second group | p value | |||
|---|---|---|---|---|---|
\( {\overset{-}{x}}_1\pm {\sigma}_1 \) | n 1 | \( {\overset{-}{x}}_2\pm {\sigma}_2 \) | n 2 | ||
Patients under 65 vs. over 65 years | |||||
ISS | 27.9 ± 14.3 | 66 | 17.1 ± 13.3 | 46 | < 0.0001 |
Surgical procedures | 2.2 ± 1.4 | 66 | 1.1 ± 1.1 | 46 | 0.0001 |
Transfusion received | 44 yes / 22 no | 66 | 18 yes / 28 no | 46 | 0.0065 |
Hb (g/l) | 89.6 ± 28.8 | 66 | 100.8 ± 23.6 | 46 | 0.0115 |
Haematoma volume (ml) | 789.9 ± 484.0 | 66 | 614.0 ± 400.3 | 46 | 0.0325 |
Hospitalization (days) | 34.6 ± 27.4 | 66 | 25.5 ± 27.1 | 46 | 0.0376 |
Survival | 8 yes / 58 no | 66 | 9 yes / 37 no | 46 | 0.2974 |
Male vs. Female patients | |||||
Surgical procedures | 1.9 ± 1.4 | 72 | 1.4 ± 1.5 | 40 | 0.0393 |
Duration trauma-angiography (min) | 393.7 ± 1088.0 | 69 | 405.5 ± 463.0 | 38 | 0.0475 |
ISS | 24.8 ± 14.8 | 72 | 21.1 ± 14.8 | 40 | 0.1927 |
Survival | 9 yes / 63 no | 72 | 8 yes / 32 no | 40 | 0.4100 |
Surviving vs. Deceased patients | |||||
Length of overall hospitalization | 34.2 ± 27.6 | 12.0 ± 18.9 | 17 | < 0.0001 | |
Haematoma volume (ml) | 650.4 ± 413.7 | 95 | 1093.3 ± 521.9 | 17 | 0.0002 |
ISS | 21.5 ± 13.7 | 95 | 34.8 ± 16.1 | 17 | 0.0015 |
Surgical procedures after angiography | 1.1 ± 1.1 | 0.6 ± 1.1 | 17 | 0.072 | |
Share of microcoils (% of total) | 63.1 ± 46.5 | 89 | 28.5 ± 46.8 | 14 | 0.0078 |
PTT (s) | 44.7 ± 24.7 | 95 | 71.2 ± 53.4 | 17 | 0.0114 |
Hb (g/l) | 97.1 ± 26.2 | 95 | 77.6 ± 27.5 | 17 | 0.0123 |
Microcoils used | 64 yes / 25 no | 89 | 5 yes / 9 no | 14 | 0.0127 |
Transfusion received (any) | 0.8 ± 0.4 | 95 | 0.9 ± 0.3 | 17 | 0.463 |
Packed red blood cells | 4.5 ± 6.3 | 95 | 8.8 ± 2.1 | 17 | 0.021 |
Fresh frozen plasma | 0.3 ± 0.8 | 95 | 1.0 ± 1.4 | 17 | 0.046 |
Platelet concentrate | 2.8 ± 6.4 | 95 | 5.5 ± 4.2 | 17 | 0.077 |
Length of microcoils (mm) | 427.5 ± 646.0 | 89 | 227.9 ± 450.8 | 14 | 0.0473 |
Surgical procedures before angiography | 0.1 ± 0.3 | 95 | 0.2 ± 0.4 | 17 | 0.669 |
Length of intensive care stay | 19.5 ± 21.9 | 95 | 18.6 ± 20.2 | 17 | 0.741 |