Table 1 Number of patients with various ultrasound signs and their assignments
Ultrasonic signs | Malignant (Num.) | Benign (Num.) | Odds ratio (OR) | Assignment |
|---|---|---|---|---|
650 | 233 | |||
Direct sign | ||||
Omental thickness | ||||
>1.90 cm | 580 | 176 | 2.68 | – |
<1.90 cm | 70 | 57 | 0.37 | – |
Omental display site | ||||
entire | 134 | 65 | 0.67 | – |
local | 516 | 168 | 1.49 | – |
Omental echo | ||||
hyperechoic | 209 | 98 | 0.65 | 1 |
hypoechoic | 347 | 11 | 23.11 | 3 |
high–low mixed echo | 94 | 124 | 0.15 | 0 |
Omental structure | ||||
moth-eaten | 90 | 3 | 12.32 | 3 |
dense | 454 | 54 | 7.72 | 2 |
loose | 105 | 176 | 0.06 | 0 |
Omental blood flow | ||||
No blood flow | 1 | 1 | 0.36 | – |
point-strip | 366 | 178 | 0.40 | – |
branch | 283 | 54 | 2.56 | – |
Nodules in the omentum | ||||
with | 182 | 14 | 6.08 | 2 |
without | 468 | 219 | 0.16 | 0 |
Indirect sign | ||||
Ascites volume | ||||
none | 8 | 5 | 0.57 | – |
small | 47 | 28 | 0.57 | – |
medium | 384 | 103 | 1.82 | – |
large | 211 | 97 | 0.67 | – |
Ascites separation | ||||
with | 9 | 50 | 0.05 | 0 |
without | 641 | 183 | 19.46 | 3 |
Ascites echo | ||||
homogeneous | 499 | 225 | 0.12 | 0 |
heterogeneous | 151 | 8 | 8.51 | 2 |
Aggregation of intestinal tube | ||||
with | 26 | 24 | 0.35 | – |
without | 624 | 209 | 2.89 | – |
Mesenteric lymph node | ||||
display | 25 | 26 | 0.3 | 1 |
Not display | 625 | 207 | 3.3 | 2 |
Peritoneum wall | ||||
display | 64 | 62 | 0.3 | 1 |
Not display | 586 | 171 | 3.12 | 2 |