a trend toward significanceP = 0.06
There was a trend toward significance in the relationship between PCI and total reflux (aOR 0.65, 95% CI: 0.39–0.96, P = 0.06) and increased BET (aOR 0.88, 95% CI: 0.74–1.02, P < 0.10), but not increased AET (Table 3 ).