Table 2.

Differences in HR indicators between the two groups at different time periods (times/min, ‾x ± s).

Group	T0	T1	T2	T3
Sevoflurane combined group (n = 51)	81.46 ± 7.63	79.25 ± 7.34	71.72 ± 6.56∗#	80.86 ± 7.28△
Control group (n = 51)	80.82 ± 7.57	77.57 ± 7.21∗	72.44 ± 6.78∗#	81.42 ± 7.04#△
t	0.425	1.166	−0.545	−0.395
P	0.672	0.246	0.587	0.694
Between groups	F = 5.151, P=0.000
Different points in time	F = 5.235, P=0.000
Between groups · different time points	F = 4.526, P=0.000

Note. ^∗ represents P < 0.05 compared with T0; ^# represents P < 0.05 compared with T1; and ^△ represents P < 0.05 compared with T2.