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Table 4 Correlations of Polysomnography and Actigraphy sleep parameters

From: The feasibility and reliability of actigraphy to monitor sleep in intensive care patients: an observational study

 

ACTG wake time

ACTG TST

ACTG sleep percentage

ACTG awakening

ACTG fragmentation index

PSG Wake time

0.769**

0.052

0.045

0.408**

0.338*

PSG TST

− 0.079

0.873**

0.375*

0.323*

− 0.262

PSG sleep percentage

− 0.233

0.687**

0.411*

0.269

− 0.359*

PSG awakening

0.298*

0.308*

0.139

0.227*

0.052

PSG arousal index

0.257

− 0.204

− 0.051

0.101

0.322*

  1. **p < 0.00; *p < 0.05