Risk factors for delirium after surgery for craniocerebral injury in the neurosurgical intensive care unit

Table 1 Analysis of potential factors influencing delirium in patients admitted to neurosurgical intensive care unit

Relative factors	Delirium group, n = 25	Observation group, n = 95	t/χ2 value	P value
Sex			0.135	0.804
Male	19	72
Female	6	23
Age in yr, mean ± SD	54.34 ± 11.09	55.40 ± 10.93	0.101	0.845
GCS score			13.033	0.001
≥ 8	12	70
5-8	13	25
Administration more than 3 medicines	18	65	3.024	0.052
Comorbid cerebral concussion	17	34	10.098	0.001
Comorbid cerebral contusion	15	28	9.075	0.001
Comorbid hypoxemia	17	35	7.865	0.001
Comorbid ventricular compression	16	27	12.096	0.001
Frontal lobe injury	18	30	9.763	0.001

GCS: Glasgow coma scale; SD: Standard deviation.