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Table 5 Comparison of propensity-score-matched patient groups

From: Prognostic factors in endovascular treated pelvic haemorrhage after blunt trauma

  Deceased patients Surviving patients   Re-do Angiography No re-do Angiography   Surgical procedures before Angiography No surgery before Angiography  
Fisher’s exact test   n 1   n 2 p value   n 1   n 2 p value   n 1   n 2 p value
 Gender 7 m 8 f 15 16 m 13 f 29 0.752 11 m 5 f 16 22 m 10 f 32 1.000 11 m 4 f 15 22 m 8 f 30 1.000
 Surgical procedures 3 y 12 n 15 1 y 28 n 29 0.107 6 y 10 n 16 5 y 27 n 32 0.144 - - - - - - -
 Direct or secondary admission 9 y 6 n 15 15 y 14 n 29 0.752 6 y 10 n 16 12 y 20 n 32 1.000 7 y 8 n 15 20 y 10 n 30 0.218
 Transfusion received 13 y 2 n 15 16 y 13 n 29 0.010 11 y 5 n 16 17 y 15 n 32 0.363 11 y 4 n 15 17 y 13 n 30 0.341
 Oral anticoagulation 4 y 11 n 15 10 y 19 n 29 0.738 3 y 13 n 16 5 y 27 n 32 1.000 2 y 13 n 15 6 y 24 n 30 0.699
 Microcoils used 5 y 10 n 15 26 y 3 n 29 0.000 10 y 6 n 16 19 y 13 n 32 1.000 6 y 9 n 15 18 y 12 n 30 0.226
 Macrocoils used 3 y 12 n 15 4 y 25 n 29 0.675 5 y 11 n 16 6 y 26 n 32 0.468 4 y 11 n 15 6 y 24 n 30 0.710
 Particles used 8 y 7 n 15 12 y 17 n 29 0.532 3 y 13 n 16 15 y 17 n 32 0.068 3 y 12 n 15 14 y 16 n 30 0.110
 Re-do angiography 2 y 13 n 15 6 y 23 n 29 0.695 - - - - - - - 6 y 9 n 15 6 y 24 n 30 0.174
 Deceased - - - - - - - 2 y 14 n 16 5 y 27 n 32 1.000 3 y 12 n 15 5 r 25 l 30 1.000
Mann-Whitney Test \( {\overset{-}{x}}_1\pm {\sigma}_1 \) n 1 \( {\overset{-}{x}}_2\pm {\sigma}_2 \) n 2 p value \( {\overset{-}{x}}_1\pm {\sigma}_1 \) n 1 \( {\overset{-}{x}}_2\pm {\sigma}_2 \) n 2 p value \( {\overset{-}{x}}_1\pm {\sigma}_1 \)   \( {\overset{-}{x}}_2\pm {\sigma}_2 \)   p value
 Patient age (years) 61.8 ± 17.1 15 63.3 ± 19.0 29 0.718 55.8 ± 21.5 16 54.5 ± 21.1 32 0.910 55.9 ± 17.9 15 52.9 ± 20.9 30 0.690
 Accident till angiography (min) 287.8 ± 212.4 15 582.6 ± 725.8 29 0.752 976.9 ± 2011.7 16 546.3 ± 1054.3 32 0.774 1374.0 ± 2450.5 15 365.0 ± 447.1 30 0.035
 CT till angiography (min) 192.7 ± 216.8 15 422.7 ± 655.9 29 0.194 692.4 ± 2072.1 16 234.6 ± 236.2 32 0.261 853.5 ± 2145.3 15 202.5 ± 273.0 30 0.387
 Duration angiography (min) 74.2 ± 51.0 15 89.2 ± 57.4 29 0.561 78.9 ± 44.8 16 76.5 ± 43.9 32 0.935 84.9 ± 56.6 15 71.7 ± 41.9 30 0.428
 HB (g/l) 77.0 ±29.3 15 94.6 ± 19.7 29 0.036 82.0 ± 28.5 16 95.9 ± 24.4 32 0.087 89.5 ± 25.1 15 86.4 ± 26.5 30 0.919
 PTT (s) 70.7 ± 57.1 15 44.4 ± 13.7 29 0.185 56.2 ± 29.6 16 52.6 ± 43.2 32 0.117 62.5 ± 57.0 15 55.1 ± 37.4 30 0.919
 Quick (%) 55.2 ±29.2 15 61.9 ± 26.7 29 0.496 59.1 ± 23.6 16 67.6 ± 26.1 32 0.315 65.3 ± 29.0 15 61.3 ± 24.3 30 0.734
 No. of arteries injured 2.4 ± 1.1 15 2.3 ± 1.0 29 0.955 1.8 ± 0.8 16 1.8 ± 1.0 32 0.724 1.8 ± 0.8 15 1.7 ± 0.8 30 0.598
 Overall coil length (mm) 393.0 ± 536.6 15 704.3 ±627.6 29 0.035 584.4 ± 794.9 16 352.0 ± 459.4 32 0.220 297.3 ± 463.4 15 485.7 ± 684.6 30 0.147
 Overall No. of coils 7.0 ± 7.6 15 12.7 ± 7.8 29 0.017 9.2 ± 8.1 16 6.7 ± 8.1 32 0.220 5.5 ± 8.3 15 6.9 ± 5.8 30 0.120
 ISS 35.2 ± 17.1 15 22.8 ± 14.6 29 0.024 28.5 ± 13.7 16 20.8 ± 14.2 32 0.061 26.5 ± 13.4 15 27.7 ± 17.3 30 0.948
 OTA classification 2.3 ± 0.8 15 2.3 ± 0.8 29 0.760 2.4 ± 0.7 16 1.9 ± 1.0 32 0.063 2.5 ± 0.9 15 2.1 ± 0.9 30 0.189
 Arterial calcification (cm3) 0.49 ± 0.89 15 0.39 ± 1.14 29 0.656 0.27 ± 0.43 16 0.28 ± 1.1 32 0.968 0.11 ± 0.18 15 0.19 ± 0.36 30 0.902
 Haematoma volume (ml) 1031.3 ± 517.8 15 518.2 ± 258.0 29 0.000 770.9 ± 370.1 16 739.8 ± 454.9 32 0.638 887.9 ± 497.6 15 584.4 ± 334.6 30 0.061
 Share of fibered coils (%) 29.4 ± 44.5 15 50.1 ± 43.6 29 0.140 55.8 ± 42.3 16 44.6 ± 48.4 32 0.339 41.3 ± 49.8 15 45.1 ± 47.1 30 0.692
 Hospitalization (days) 10.4 ± 17.4 15 35.9 ± 29.6 29 0.000 63.1 ± 31.9 16 19.9 ± 19.0 32 0.000 40.3 ± 28.2 15 26.9 ± 19.7 30 0.181
 Overall coil length (mm) 393.0 ± 536.6 15 704.3 ±627.6 29 0.035 584.4 ± 794.9 16 352.0 ± 459.4 32 0.220 297.3 ± 463.4 15 485.7 ± 684.6 30 0.147
 Overall No. of coils 7.0 ± 7.6 15 12.7 ± 7.8 29 0.017 9.2 ± 8.1 16 6.7 ± 8.1 32 0.220 5.5 ± 8.3 15 6.9 ± 5.8 30 0.120
 No. of microcoils used 4.1 ± 6.9 15 11.2 ± 8.2 29 0.002 5.7 ± 7.3 16 5.8 ± 7.4 32 0.906 2.9 ± 4.8 15 4.9 ± 5.8 30 0.212
 No. of macrocoils used 2.9 ± 6.0 15 1.5 ± 8.2 29 0.487 3.5 ± 6.9 16 0.9 ± 2.5 32 0.140 2.5 ± 6.0 15 2.0 ± 4.1 30 0.461