Question: Is this describing a (1) directly correlative relationship, (2) conditionally causative relationship, (3) causative relationship, or (0) no relationship.

While LSG weakens the LES immediately, it does not predictably affect postoperative GERD symptoms; therefore, distensibility is not the only factor affecting development of postoperative GERD, confirming the multifactorial nature of post-LSG GERD.
user
This no relationship.
assistant