[Retracted] Relationship between Artificial Intelligence-Based General Anesthetics and Postoperative Cognitive Dysfunction

Table 1

Comparison of preoperative data between the two groups.

	BIS Group	Control group	t/x2
Age	55 ± 15	53 ± 11	0.9	0.372
Height	165 ± 8	162 ± 6	1.6	0.110
Body weight	56 ± 10	57 ± 13	0.9	0.38
Culture	7 ± 3	6 ± 4	1.0	0.33
BMI	22 ± 4	21 ± 3	0.5	0.64
Male	28	20	—	—
Female	20	25	—	—
ASI Class I	9	7	—	—
ASI Class II	21	27	—	—
ASI Class III	8	2	—	—
Have a history of anesthesia	20	29	—	—
No history of anesthesia	28	16	—	—