Table 3.

Incidences of postoperative sore throat after Cobra perilaryngeal airway

	Time (h)	Severity				POST (%)
		0	1	2	3
Group C (n = 83)	1	57	16 (19)	9 (11)*	1 (1)	26 (31)
	24	80	3 (3)	0	0	3 (3)
Group A (n = 85)	1	68	15 (18)	2 (2)	0	17 (20)
	24	84	1 (1)	0	0	1 (1)

Data are expressed as numbers of patients and proportion (%). Severity scores are graded as follows: 0, none; 1, mild; 2, moderate; or 3, severe throat soreness, pain, or discomfort. Cuff pressure was set to 60 cmH₂O (group C) or adjusted to minimal seal-up pressure +5 cmH₂O (group A)

POST postoperative sore throat

* P = 0.021 compared with group A