As used in this chapter:

“Medical malpractice insurance” means insurance coverage against the legal liability of the insured and against loss, damage, or expense incident to a claim arising out of the death or injury of any person as the result of negligence or malpractice in rendering professional service by any licensed physician or hospital.

“Net direct premiums” means general casualty insurance direct premiums written as reported on the Hawaii State Page of the Exhibit of Premium and Losses of the annual statement under medical malpractice, workers’ compensation, and other liability lines of business.

“Plan” means the joint underwriting plan established pursuant to the provisions of this chapter.