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Table 3 Association of parameters related to sleep disturbance to categorical risk factors

From: Genetic influences on the onset of obstructive sleep apnoea and daytime sleepiness: a twin study

 

logAHI

logRDI

logODI

Wilks’-lambda

P

Wilks’-lambda

P

Wilks’-lambda

P

Sex

0.984

0.206

0.984

0.162

0.963

0.032

Smoking

0.988

0.216

0.979

0.107

0.997

0.539

  1. The calculated values are Wilks’-lambda and associated p-value
  2. AHI apnoea-hypopnoea index, ODI oxygen desaturation index, RDI respiratory disturbance index