正常受试者中40%～50%的TLESR伴胃酸反流，GERD患者中TLESR伴胃酸反流则达60%～70%。
O O O O O O O O O O O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O O O