Predictive value of serum biochemical indicators combined with imaging scores for prognosis of traumatic liver rupture

Table 3 Comparison of imaging scores between two groups, n (%)

Scoring system	Good prognosis group (n = 142)	Poor prognosis group (n = 44)	Statistical value	P value
WSES liver injury grading
Grade I	32 (22.5)	2 (4.5)	χ2 = 28.47	< 0.001
Grade II	45 (31.7)	8 (18.2)
Grade III	38 (26.8)	12 (27.3)
Grade IV	21 (14.8)	15 (34.1)
Grade V	6 (4.2)	6 (13.6)
Grade VI	0 (0)	1 (2.3)
HIS score, mean ± SD	2.4 ± 1.1	3.8 ± 1.3	t = 6.98	< 0.001
LTSS score, mean ± SD
Liver injury extent score	1.2 ± 0.8	2.1 ± 0.9	t = 6.12	< 0.001
Hematoma size score	0.8 ± 0.7	1.4 ± 0.6	t = 5.23	< 0.001
Intraperitoneal bleeding score	1.1 ± 0.9	2.3 ± 0.8	t = 7.86	< 0.001
Active bleeding score	0.6 ± 0.7	1.5 ± 0.7	t = 7.41	< 0.001
LTSS total score	3.7 ± 2.1	7.3 ± 2.0	t = 9.87	< 0.001

WSES: World Society of Emergency Surgery; HIS: Hepatic Injury Scale; LTSS: Long-term services and supports.