Retrospective Study
Copyright ©The Author(s) 2016.
World J Hepatol. May 28, 2016; 8(15): 644-648
Published online May 28, 2016. doi: 10.4254/wjh.v8.i15.644
Table 1 Comparison of perioperative data of the two groups n (%)
Group 1 (n = 23)Group 2 (n = 35)P value
Age (yr) 36 (4-79) 36 (5-75) 0.762
Male:female 16:7 23:12 0.760
Health background 0.208
Good past health 15 (65.2) 28 (80.0)
With comorbidity 8 (34.8) 7 (20.0)
Type of trauma 1
Blunt 19 (82.6) 29 (82.9)
Penetrative 4 (17.4) 6 (17.1)
Mechanism of injury 0.077
Blunt injury 5 (21.7) 2 (5.7)
Fall from a height 2 (8.7) 6 (17.1)
Penetrative injury 4 (17.4) 3 (8.6)
Road traffic accident 9 (39.1) 23 (65.7)
Slip and fall 3 (13.0) 1 (2.9)
With initial CT done 17 (73.9) 25 (71.4) 1
Reassessment CT 0.367
Not done 8 (34.8) 15 (42.9)
Problem resolved 15 (65.2) 18 (51.4)
Complication seen 0 (0) 2 (5.7)
Hemodynamics 0.036
Stable 15 (65.2) 13 (37.1)
Unstable 8 (34.8) 22 (62.9)
Management 0.879
NOM 7 (30.4) 10 (28.6)
OM 16 (69.6) 25 (71.4)
Blood loss in OM (mL) 300 (0-20000) 1250 (0-24000) 0.133
Blood transfusion 0.018
No 14 (60.9) 10 (29.4)
Yes 9 (39.1) 24 (70.6)
Packed cells transfused (mL) 0 (0-2390) 1050 (0-10240) 0.001
Radiological intervention 1
No 21 (91.3) 30 (90.9)
Yes 2 (8.7) 3 (9.1)
ISS 25 (16-75) 45 (17-75) < 0.0001
Grade of liver injury10.354
1 4 (17.4) 3 (8.8)
2 5 (21.8) 5 (14.7)
3 11 (47.8) 12 (35.3)
4 2 (8.7) 8 (23.5)
5 1 (4.3) 5 (14.7)
6 0 (0) 1 (2.9)
With complication 4 (18.2) 4 (11.4) 0.747
Follow-up duration (mo) 6 (0-60) 3 (0-128) 0.339
Table 2 Multivariate analysis of risk factors for mortality
Dependent factor
Mortality
Variables put into the system for model selection
ISS
Location of injury (0: Liver only; 1: Liver and outside the liver)
Hemodynamics (0: Stable; 1: Unstable)
Variable remaining in the final logistic regression model
Factor PHazard ratio 95%CI
ISS 0.004 1.035 1.011-1.060