Table 1.
Category | Group A | Group B | Group C | Group D |
Number (n) | 39 | 35 | 34 | 39 |
Age (yr) | 44.4 ± 14.2 | 44.1 ± 14.4 | 47.8 ± 13.9 | 48.7 ± 16.5 |
Gender (M:F) | 18:21 | 18:17 | 16:18 | 18:21 |
Indication | ||||
Cancer screening | 9 | 9 | 7 | 10 |
Dyspepsia | 20 | 17 | 18 | 22 |
Acid regurgitation | 10 | 9 | 9 | 7 |
No significant difference between each two groups. Group A received dimethylpolysiloxane, group B received dimethylpolysiloxane plus water, group C received pronase, sodium bicarbonate, and dimethylpolysiloxane plus water, and group D received N-acetylcysteine and dimethylpolysiloxane plus water.