Ensuring that patients do not overstay the expected Length of Stay (LOS) in the hospital is an important indicator of the quality of care and helps to reduce the cost of healthcare. This study identifies the predictors of Extended Length of Hospital Stay (ELOHS) for surgical and medical patients to include LOS (>20 days), Age (> 40 years), Hour to Surgery (HTS) -within 4 hours of admission, zero and one Rapid Response Team (RRT) calls, Average Operating Room Time (AORT) of 0 -120 minutes and one Theatre Session (TS). Apart from the "ear, nose, mouth & throat", "kidney and urinary tract", "circulatory system", "nervous system" and "digestive system" Major Diagnostic Categories (MDCs), other considered MDCs have significant differences in the