There have been several studies discussing the diagnosis of pneumonia based on symptoms experienced by patients, some using artificial intelligence methods such as monotonous and non-monotonous methods with mixed results. According to the results of previous studies, there have been no results that can be directly implemented by experts, especially lung specialists in Indonesia. The cause is according to the Indonesian pulmonary doctor, the reference used to diagnose pneumonia patients is to

more »

... the Pneumonia Severity Index (PSI) which is it can classify pneumonia levels and determine therapeutic solutions appropriate to the level of pneumonia of patients. Level results according to PSI will be qualitative and unambiguous values so that the Sugeno fuzzy logic method is very suitable to overcome these problems. Application results using Sugeno Fuzzy Logic have been successfully applied to diagnose the level of pneumonia and are matched with PSI Score with a value of 75%, based on four clinical data that have tested at Balikpapan Hospital.