A cyber attack on Capital Health last year may have exposed patients’ names, addresses, social security numbers, dates of birth, email addresses, telephone numbers and “potentially clinical information,” the company said Wednesday in a statement. The company said it is in the process of conducting a detailed review of affected files to determine whether personal information or protected health information was present within them and to whom the information relates. Capital Health operates three medical facilities in Mercer County, including two hospitals — Capital Health Medical Center Hopewel…