Emergency Medicine International

Research Article

A Study on Trauma Mechanisms and Injury Sites in Patients with Blunt Abdominal Trauma

Table 1

Patients’ clinical characteristics and frequency of surgery and angiography according to each trauma mechanism.


Variables	Overall	A	B	C	D	E	F	G	H	I	J	K
Variables	N= 2,291	N= 964	N= 207	N= 259	N= 48	N= 53	N= 533	N= 51	N= 146	N= 16	N= 4	N= 10

Age	49.4 ± 19.0	48.5 ± 17.4	43.8 ± 22.0	52.4 ± 22.1	43.4 ± 26.1	65.3 ± 15.0	49.6 ± 17.8	51.7 ± 23.5	51.5 ± 16.5	59.5 ± 9.4	42.0 ± 16.8	49.5 ± 17.3

Sex
Female patients	686 (29.9)	375 (38.9)	22 (10.6)	102 (39.4)	9 (18.8)	8 (15.1)	124 (23.3)	21 (41.2)	23 (15.8)	1 (6.3)	0 (0.0)	1 (10.0)
Male patients	1605 (70.1)	589 (61.1)	185 (89.4)	157 (60.6)	39 (81.3)	45 (84.9)	409 (76.7)	30 (58.8)	123 (84.3)	15 (93.8)	4 (100)	9 (90.0)

ISS	16.4 ± 10.7	13.7 ± 9.9	17.6 ± 10.6	21.1 ± 11.8	19.4 ± 14.2	15.7 ± 8.6	18.6 ± 10.4	12.8 ± 7.6	15.1 ± 7.8	23.1 ± 18.5	30.3 ± 20.4	19.6 ± 10.1

Surgery
No	1892 (82.6)	740 (76.8)	166 (80.2)	222 (85.7)	43 (89.6)	40 (75.5)	495 (92.9)	45 (88.2)	119 (81.5)	10 (62.5)	4 (100)	8 (80.0)
Yes	399 (17.4)	224 (23.2)	41 (19.8)	37 (14.3)	5 (10.4)	13 (24.5)	38 (7.1)	6 (11.8)	27 (18.5)	6 (37.5)	0 (0.0)	2 (20.0)
1	66 (2.9)	29 (3.0)	9 (4.3)	7 (2.7)	2 (4.2)	2 (3.8)	13 (2.4)	0 (0.0)	2 (1.4)	1 (6.3)	0 (0.0)	1 (10.0)
2	56 (2.4)	21 (2.2)	10 (4.8)	5 (1.9)	1 (2.1)	3 (5.7)	9 (1.7)	2 (3.9)	5 (3.4)	0 (0.0)	0 (0.0)	0 (0.0)
3	150 (6.5)	96 (10.0)	12 (5.8)	9 (3.5)	0 (0.0)	5 (9.4)	12 (2.3)	1 (2.0)	9 (6.2)	5 (31.3)	0 (0.0)	1 (10.0)
4	216 (9.4)	138 (14.3)	17 (8.2)	16 (6.2)	1 (2.1)	7 (13.2)	17 (3.2)	2 (3.9)	11 (7.5)	6 (37.5)	0 (0.0)	1 (10.0)
5	19 (0.8)	10 (1.0)	4 (1.9)	2 (0.8)	0 (0.0)	1 (1.9)	2 (0.4)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
6	14 (0.6)	4 (0.4)	4 (1.9)	2 (0.8)	0 (0.0)	0 (0.0)	2 (0.4)	0 (0.0)	1 (0.7)	0 (0.0)	0 (0.0)	1 (10.0)
7	15 (0.7)	3 (0.3)	1 (0.5)	5 (1.9)	1 (2.1)	0 (0.0)	2 (0.4)	1 (2.0)	1 (0.7)	0 (0.0)	0 (0.0)	1 (10.0)
8	21 (0.9)	10 (1.0)	0 (0.0)	7 (2.7)	0 (0.0)	1 (1.9)	1 (0.2)	0 (0.0)	2 (1.4)	0 (0.0)	0 (0.0)	0 (0.0)

Angiography
No	2128 (92.9)	909 (94.3)	190 (91.8)	224 (86.5)	44 (91.7)	50 (94.3)	506 (94.9)	47 (92.2)	133 (91.1)	14 (87.5)	3 (75.0)	8 (80.0)
Yes	163 (7.1)	55 (5.7)	17 (8.2)	35 (13.5)	4 (8.3)	3 (5.7)	27 (5.1)	4 (7.8)	13 (8.9)	2 (12.5)	1 (25.0)	2 (20.0)
9	51 (2.2)	18 (1.9)	8 (3.9)	10 (3.9)	2 (4.2)	0 (0.0)	6 (1.1)	1 (2.0)	2 (1.4)	2 (12.5)	1 (25.0)	1 (10.0)
10	75 (3.3)	34 (3.5)	6 (2.9)	13 (5.0)	1 (2.1)	1 (1.9)	10 (1.9)	3 (5.9)	6 (4.1)	0 (0.0)	0 (0.0)	1 (10.0)
11	36 (1.6)	6 (0.6)	3 (1.4)	13 (5.0)	1 (2.1)	1 (1.9)	10 (1.9)	0 (0.0)	2 (1.4)	0 (0.0)	0 (0.0)	0 (0.0)
12	16 (0.7)	5 (0.5)	1 (0.5)	1 (0.4)	0 (0.0)	1 (1.9)	3 (0.6)	0 (0.0)	4 (2.7)	1 (6.3)	0 (0.0)	0 (0.0)

A, car accident; B, motorcycle accident; C, pedestrian accident; D, bicycle accident; E, ship or train accident; F, fall; G, slipping and rolling down; H, bumping injury; I, crush injury; J, explosion burn; K, others; 1, liver; 2, spleen; 3, bowel; 4, mesentery and omentum; 5, pancreas; 6, kidney; 7, bladder; 8, others; 9, liver; 10, spleen; 11, pelvis; 12, others; ISS, injury severity score. Data are expressed as n (%) or the mean (±standard deviation) unless otherwise specified.