Table 2.

Comparison of related indexes during anesthesia between the two groups

Groups	WAA group (n = 91)	CON group (n = 90)	t value/χ2 value	P value
Propofol induction dose (mg)	80.0 (20)	115.0 (20)	-9.35	< 0.0001
Total propofol dose (mg)	110.0 (40)	157.5 (70)	-7.15	< 0.0001
Incidence of hypoxemia, n (%)	2 (2.2)	10 (11.1)	4.46	0.035
Incidence of hypotension, n (%)	3 (3.3)	14 (15.6)	7.99	0.005
Abdominal distention, n (%)	8 (8.8)	26 (28.9)	11.98	0.001
Nausea and vomiting, n (%)	3 (3.3)	5 (5.6)	0.14	0.46

WAA: Wrist-ankle acupuncture; CON: Control.