Relationship between intracranial pressure and neurocognitive function among older adults after radical resection of rectal cancer

Table 1 The age, weight, time of surgery, intraoperative blood loss, and urine output of the two groups of patients

Item	Group A1	Group A2	F	P value
Age	67.83 ± 2.09	68.49 ± 1.57	3.64	0.059
Weight (kg)	57.35 ± 2.19	57.29 ± 1.65	0.026	0.873
Time of surgery (minutes)	222.50 ± 11.82	224.17 ± 12.54	0.471	0.494
Intraoperative blood loss (mL)	150.33 ± 12.14	153.16 ± 15.75	0.968	0.328
Urine volume (mL)	376.86 ± 14.03	381.78 ± 22.84	1.555	0.215