F2 and hematoma: The poor prognosis group was older, had a higher proportion of females, and showed elevated smoking history prevalence; larger hematoma volume and greater midline shift; lower BMI and GCS scores, higher body temperature, and reduced mean arterial pressure, diastolic blood pressure, and oxygen saturation; lower platelet counts, elevated potassium, blood urea nitrogen, creatinine, international normalized ratio, and prothrombin time (Table 1).