A Prediction Model for Recognizing Strangulated Small Bowel Obstruction
Table 2
Comparison of clinical and laboratory parameters, physical examination, and CT findings of patients who received conservative treatment, surgery in patients without SSBO, and those with SSBO.
Conservative ()
Surgery, non-SSBO ()
Surgery, SSBO ()
Sex
0.780
Males
116 (67)
109 (64)
52 (68)
Females
56 (43)
60 (36)
24 (32)
Age (years)
0.556
19–59
79 (46)
94 (56)
34 (45)
60–69
39 (23)
36 (21)
18 (24)
70–79
38 (23)
29 (17)
17 (22)
80–89
16 (8)
10 (6)
7 (9)
Duration of hospital stay (day)
<0.001
1–6
64
9
2
7–13
89
58
38
14–103
19
102
36
Prior abdominal procedures
0.178
Yes
112 (65)
120 (71)
57 (75)
No
60 (35)
49 (29)
19 (25)
Vomiting
0.201
Yes
113 (66)
111 (66)
58 (76)
No
59 (34)
58 (34)
18 (24)
Temperature
<0.001
≥ 38.0°C
8 (5)
1 (1)
12 (16)
< 38.0°C
164 (95)
168 (99)
64 (84)
Heart rate (bpm)
<0.001
≥ 100
26 (15)
20 (12)
16 (21)
< 100
146 (85)
149 (88)
60 (79)
Peritoneal irritation sign
<0.001
Yes
4 (2)
20 (12)
34 (45)
No
168 (98)
149 (88)
42 (55)
WBC (×10^9/L)
<0.001
> 10.0
81 (47)
69 (41)
61 (80)
< 10.0
91 (53)
100 (59)
15 (20)
CT parameter
Small bowel dilatation
0.053
≥ 4 mm
40 (23)
27 (16)
22 (29)
< 4 mm
132 (77)
142 (84)
54 (71)
Thick-walled small bowel
<0.001
≥ 3 mm
7 (4)
47 (28)
31 (41)
< 3 mm
165 (96)
122 (72)
45 (59)
Ascites
<0.001
Yes
20 (12)
26 (13)
58 (76)
No
152 (88)
143 (87)
18 (24)
Small bowel air fluid level
<0.001
Yes
143 (83)
112 (66)
49 (64)
No
29 (17)
57 (34)
27 (36)
Volvulus
0.02
Yes
19 (11)
29 (17)
19 (25)
No
153 (89)
140 (83)
57 (75)
Values in parentheses are percentages. CT: computed tomography; SSBO: strangulated small bowel obstruction.
