Table 1.

Mean VAP scores, SD, and P value within 3 groups

Group	Mean VAP score	SD	P value paired t test	Results
Epely pre-treatment	2.32	0.17	0.0002	Highly significant
Epely post-treatment	0.64	0.61
Semont pre-treatment	2.42	0.20	0.00054	Highly significant
Semont post-treatment	0.992	0.83
Brandt–Daroff pre-treatment	2.27	0.17	0.0026	Significant
Brandt–Daroff post-treatment	1.41	0.88