Table 3.

Correlations Between Mean EMMN Amplitudes and Clinical Characteristics in OSAS Patients and Healthy Controls

Group	Early EMMN Amplitude (150–250ms)		Late EMMN Amplitude (250–350ms)
OSAS patients	Happy EMMN r (p value)	Sad EMMN r (p value)	Happy EMMN r (p value)	Sad EMMN r (p value)
Age	0.048 (0.024)*	−0.021 (0.925)	0.359 (0.101)	0.207 (0.355)
BMI	0.548 (0.008)**	0.662 (0.001)**	0.496 (0.019)*	0.502 (0.017)*
AHI	0.536 (0.015)*	0.516 (0.020)*	0.460 (0.041)*	0.606 (0.005)**
ODI	0.529 (0.017)*	0.198 (0.404)	0.444 (0.050)*	0.268 (0.253)
MSpO2	−0.495 (0.026)*	−0.464 (0.039)*	−0.483 (0.031)*	−0.363 (0.003)**
MmSpO2%	−0.361 (0.118)	0.076 (0.750)	−0.317 (0.173)	−0.149 (0.532)
AI	−0.125 (0.600)	−0.380 (0.099)	−0.126 (0.598)	−0.329 (0.156)
MOCA	−0.662 (0.001)**	−0.423 (0.050)*	−0.607 (0.003)**	−0.558 (0.007)**
ESS score	0.619 (0.002)**	0.477 (0.025)*	0.579 (0.005)**	0.579 (0.005)**
Healthy controls	Happy EMMN r (p value)	Sad EMMN r (p value)	Happy EMMN r (p value)	Sad EMMN r (p value)
Age	0.088 (0.593)	0.064 (0.607)	0.059 (0.693)	0.147 (0.586)
BMI	0.103 (0.635)	0.198 (0.401)	0.116 (0.613)	0.216 (0.321)
AHI	0.321 (0.136)	0.317 (0.172)	0.362 (0.114)	0.308 (0.179)
ODI	0.184 (0.425)	−0.013 (0.941)	0.151 (0.489)	0.079 (0.700)
MSpO2	0.283 (0.135)	0.249 (0.210)	0.314 (0.052)	0.225 (0.250)
MmSpO2%	0.161 (0.493)	−0.159 (0.510)	0.124 (0.601)	0.096 (0.698)
AI	0.157 (0.488)	−0.083 (0.716)	0.327 (0.135)	0.175 (0.437)
MOCA	0.032 (0.878)	0.001 (0.997)	0.046 (0.0853)	0.056 (0.803)
ESS score	0.115 (0.616)	0.200 (0.398)	0.126 (0.598)	0.199 (0.400)

Notes: Early EMMN in the windows of 150–250ms, Late EMMN in the windows of 250–350ms. r represents product-moment correlation coefficient. *P < 0.05, **P < 0.01 by Pearson’s correlations (two-tailed).