Table 3.

Comparison of success and failure rates according to the new staging for patients undergoing extended tonsillectomy for the treatment of obstructive sleep apnea syndrome (OSAS).

	Success		Failure		Total	p
	n	%	n	%	n
Stage I	8	88.9	1	11.1	9	0.07
Stage II	6	75.0	2	25.0	8	0.44
Stage III	5	35.7	9	64.3	14	0.02
Stage IV	5	38.5	8	61.5	13	0.03
Stage V	10	100.0	0	0.0	10	<0.01
Stage VI	No surgical indication

Significance value: p < 0.05, chi-square test.