Table 2.

Subjective ratings of aspiration and voice quality improvement at 3 and 9 months postoperatively

Variable; score	Group A, no. of patients			Group B, no. of patients
	3 mo	9 mo	p value*	3 mo	9 mo	p value*
Aspiration†
2	3	0	0.05	5	2	0.02
1	1	0	2	3
0	1	5	0	2
Voice quality improvement‡
2	0	0	0.2	5	2	0.08
1	3	1	2	5
0	2	4	0	0

^*Wilcoxon signed-rank test for paired observations applied to values measured at 3 and 9 months.

^†0 = normal, 1 = mild, 2 = moderate.

^‡0 = markedly improved, 1 = improved, 2 = unchanged.