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Table 5 Correlation between each of age, BMI, and the NC with ESS, AHI, and sleep data

From: Factors affecting the severity of the apnea hypoapnea index: a retrospective study on 838 Egyptian patients diagnosed with obstructive sleep apnea

  

AHI

ESS

TST

AI

SpO2

DI

BMI (kg/m2)a

R

.167

.211

− .147

.187

− .354

.472

p

.0001

.0001

.0001

.0001

.0001

.0001

Sig

HS

HS

HS

HS

HS

HS

NC (cm)a

R

.267

.133

− .045

.250

− .284

.338

p

.0001

.001

.236

.0001

.0001

.0001

Sig

HS

HS

NS

HS

HS

HS

Age (years)a

R

− .045

.000

− .130

− .143

− .017

− .089

p

.194

.997

.0001

.0001

.626

.012

Sig

NS

NS

HS

HS

NS

S

  1. BMI body mass index, NC neck circumference, AHI apnea hypoapnea index, ESS Epworth Sleepiness Scale, TST total sleep time, AI arousal index, DI desaturation index
  2. aSpearman correlation