Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Mar 27, 2026; 18(3): 117100
Published online Mar 27, 2026. doi: 10.4240/wjgs.v18.i3.117100
Published online Mar 27, 2026. doi: 10.4240/wjgs.v18.i3.117100
Table 2 Comparison of preoperative ultrasound parameters between two groups
| Parameter | Simple (n = 186) | Suppurative (n = 142) | Statistic | P value |
| Successful visualization | 174 (93.5) | 132 (93.0) | χ2 = 0.03 | 0.862 |
| Max appendiceal diameter (mm) | 8.5 ± 1.6 | 11.8 ± 2.3 | t = 14.82 | < 0.001 |
| Appendiceal wall thickness (mm) | 2.4 ± 0.6 | 3.8 ± 0.9 | t = 15.67 | < 0.001 |
| Intraluminal fluid/pus | 61 (32.8) | 111 (78.2) | χ2 = 62.35 | < 0.001 |
| Peri-appendiceal fluid | 34 (18.3) | 92 (64.8) | χ2 = 68.92 | < 0.001 |
| Blood flow grade 0-I | 133 (71.5) | 37 (26.1) | χ2 = 61.48 | < 0.001 |
| Blood flow grade ≥ II | 53 (28.5) | 105 (73.9) | ||
| Lymph node enlargement | 47 (25.3) | 80 (56.3) | χ2 = 29.87 | < 0.001 |
- Citation: Huang S, Hu WJ, Liu ZY, Ma JY. Value of color Doppler ultrasound in preoperative typing diagnosis of acute appendicitis. World J Gastrointest Surg 2026; 18(3): 117100
- URL: https://www.wjgnet.com/1948-9366/full/v18/i3/117100.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v18.i3.117100