The Efficacy of Ultrasound-Guided Superior Laryngeal Nerve Block as an Adjuvant to General Anesthesia during Suspension Laryngoscopy Vocal Cord Polypectomy

Table 8

HR comparison of two groups at different time points.

	Group C	Group S	value
T0	76.45 ± 13.46	75.35 ± 12.73	0.708
T1	84.75 ± 17.04	74.28 ± 13.54	0.003
T2	71.15 ± 12.69	67.78 ± 10.48	0.042
T3	80.48 ± 17.12	72.53 ± 12.42	0.020
T4	75.53 ± 13.80	70.20 ± 9.66	0.049

; . Data are expressed as the mean ± SD.