Rapid Communication
Copyright ©2007 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 14, 2007; 13(46): 6197-6202
Published online Dec 14, 2007. doi: 10.3748/wjg.v13.i46.6197
Figure 2
Figure 2 Bland-Altman scatter graph plotted to assess agreement between measurements obtained manometrically and by the pH step-up method with patients in the supine position. Grey area surrounded by longer dashed line indicates clinically acceptable limits.