Table 2. Comparison between good-outcome and poor-outcome groups.

	Good-outcome group	Poor-outcome group
Number of patients	37	11
Age, years	68.5±12.1	73.3±12.6
Males:females	13:24	5:6
Underlying metabolic disturbances	CKD (4)	CKD (4), liver cirrhosis (1)
Underlying cerebral lesions	Old TBI (3), old stroke lesion (11), postoperative meningioma (1), birth injury (1)	Old TBI (1), old stroke lesion (3)
Initial presentations	Coma (6), intermittent UR (9), drowsiness (9), aphasia (2), confusion (11)	Coma (5), intermittent UR (3), confusion (3)

Data are n or mean±standard-deviation values.

CKD: chronic kidney disease, TBI: traumatic brain injury, UR: unresponsiveness.