“…Therefore using the FOUR score ensures that brainstem reflexes, respiration pattern and verbal response that are supplementary data for patient evaluation, absent in GCS, can be used (3,4,9). The FOUR score has advantages and still investigated by different countries and clinics (10). In some studies, there was no sample calculation for comparing GCS and FOUR, no surveys for GCS and FOUR at the same time, studies reported just for the first 24 hours and only traumatic brain injury patients or intubated patients had been included (1,4,9,10,14).…”