[Retracted] Application of Ultrasound-Guided Upper Trunk Brachial Plexus Block in Observation of Lower Shoulder Surgery

Table 3

HR changes of patients in each group.

Group	T0	T1	T2	T3
A	72.70 ± 5.13	62.70 ± 8.91	63.73 ± 8.71	75.00 ± 9.45
B	71.01 ± 8.64	54.80 ± 4.43	54.30 ± 4.44	64.63 ± 8.47
C	70.83 ± 7.71	55.60 ± 5.91	55.67 ± 5.49	68.47 ± 8.98