The post that started the social media outrage was no longer available late Sunday on the Facebook page of "Nan Suratchawadee", who is self-described on the page as a model based in Hua Hin.
Amporn Thongnuakhao, 54, Mr Chokchai's father, travelled on Sunday from Phatthalung to visit his son at the hospital.
Mr Amporn said doctors told him his son was gradually recovering but the recoverywill take some time.
Mr Korchoke said university executives and senior students regretted the accident and the university will help Mr Chokchai's family to pay for his medical expenses. He added the university would review its training courses..