Skip to main content

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