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 3 Sound characteristics of acute large bowel obstruction vs large bowel pseudo-obstruction
Large bowel obstruction (n = 13)Large bowel pseudo-obstruction (n = 3)P value
Sound duration (s) 0.87 (0.27-3.60) 1.24 (0.53-2.64)0.686
Sound-to-sound interval (s) 0.78 (0.44-1.42) 1.08 (0.68-2.23)0.061
Dominant frequency (Hz)440 (250-643)488 (389-679)0.174
Peak frequency (Hz)660 (578-740)630 (525-750)0.638