Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 7, 2012; 18(33): 4585-4592
Published online Sep 7, 2012. doi: 10.3748/wjg.v18.i33.4585
Table 4 Sound characteristics of acute small bowel obstruction vs large bowel pseudo-obstruction
Small bowel obstruction (n = 27)Large bowel pseudo-obstruction (n = 3)P value
Sound duration (s) 0.55 (0.17-1.67) 1.24 (0.53-2.64)0.048
Sound-to-sound interval (s) 0.72 (0.41-1.40) 1.08 (0.68-2.23)0.041
Dominant frequency (Hz)288 (220-479)488 (389-679)0.001
Peak frequency (Hz)560 (480-695)630 (525-750)0.446