A patient monitor configured to display patient information in a display area. The patient information is indicative of at least one physiological parameter of a patient and includes at least one unitary display element in the display area that indicates simultaneously both a quantitative value and a reliability indication of the physiological parameter. An appearance of the display element transitions so as to represent a plurality of different reliability levels, including at least a first reliability level, a second reliability level, and at least one intermediary reliability level between the first and second reliability levels.