Ten of the 29 patients in the study had at least one elevation in liver enzymes greater than or equal to three times the upper limit of normal, including four patients who experienced liver enzymes greater than or equal to five times the upper limit of normal.
Monad Shoal is classified as an intermediate dive, and most shops require divers to have advanced open water or deep dive certifications since the depth surpasses the normal 18m limit for open water divers.