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

Table 3

Comparison of the QoR-9 scores (x ± s) of patients in the two groups.

	Group C	Group S	value
D0	11.38 ± 2.47	13.05 ± 1.80	0.001
D1	15.10 ± 1.61	16.75 ± 1.50	0.000

. Data are expressed as the mean ± SD.