[Retracted] An Exploratory Study on the Treatment of Obstructive Apnea-Hypopnea Syndrome by Nasal Cavity Expansion

Table 7

Congestion and lethargy before and after surgery.

Check index	Before surgery	After surgery	T	P
NOSE	12.4 ± 2.86	4.5 ± 1.77	19.83	<0.001
ESS	12.7 ± 2.21	7.6 ± 2.14	23.69	<0.001
NMCA (cm^2)	0.5 ± 0.11	1.5 ± 0.26	−41.18	<0.001
NCV (cm^3)	8.9 ± 0.83	18.2 ± 3.26	−19.56	<0.001
NAR (kPa•s/L)	0.5 ± 0.04	0.2 ± .0.03	50.79	<0.001
VT (L)	5.2 ± 0.47	8.7 ± 1.54	−18.67	<0.001