Table 2.

Comparison of vital signs of the two groups before and after anesthesia

Time	0	T1	T2	T3	T4	f	P
SBP (mmHg)
Experimental group	122.40±9.05	130.63±11.30***,aa	129.62±12.30***,aa	128.56±9.60***,aa	122.05±10.99&&&	19.120	<0.001
Control group	121.05±9.50	125.37±11.02***	124.17±12.36***	123.80±11.03***	120.91±11.24	4.197	0.002
DBP (mmHg)
Experimental group	71.30±7.95	83.47±8.04***	86.14±7.98***,##,aa	78.54±6.99**,¥¥	75.17±6.20**,¥¥	75.830	<0.001
Control group	71.22±8.05	82.41±8.69***	81.27±9.04***,###	77.44±6.90***,###	73.14±6.68**,¥¥	132.100	<0.001
HR (Times/min)
Experimental group	80.32±5.68	83.14±7.80**,aaa	84.15±11.30**,aaa	78.25±7.66**,##,aaa	81.22±8.55	10.010	<0.001
Control group	81.25±4.69	93.01±9.22***	95.36±12.50***	85.14±7.80**,##	84.31±7.78	61.880	<0.001
RPP
Experimental group	9552.05±30.20	9492.04±46.33	7644.20±39.05***,##	8532.05±35.21***,###,¥¥¥,aaa	8820.34±34.17***,###,¥¥¥,aaa	57003.000	<0.001
Control group	9658.14±31.22	9505.10±41.20	7840.71±36.28***	7644.25±36.15***,###,¥¥¥	7920.50±35.11***,###,¥¥¥	96164.000	<0.001

Note: Compared with T0;

^***P<0.001;

^**P<0.01.

Compared with T1;

^###P<0.001;

^##P<0.01.

Compared with T2;

^¥¥¥P<0.001;

^¥¥P<0.01.

Compared with T3;

^&&&P<0.001.

Compared with the control group;

^aaaP<0.001;

^aaP<0.01.

SBP: systolic blood pressure; DBP: diastolic blood pressure; RPP: rate-pressure product; HR: heart rate.