Document Classification

Section Type: RESULTS

Text: After variceal eradication with sclerotherapy, peristaltic wave amplitude decreased from 76. 2 + / - 14. 7 mmHg to 61. 6 + / - 17. 7 mmHg (P = 0. 0001), simultaneous contractions increased from 0 % to 37. 9 % (P = 0. 0008), and the percentage of time with pH < 4 increased from 1. 60 + / - 0. 25 to 4. 91 + / - 1. 16 % in channel 1 (P = 0. 0002) and from 1. 82 + / - 0. 27 to 5. 69 + / - 1. 37 % in channel 2 (P = 0. 0006).