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. 2012 Nov 30;9(1):15. doi: 10.1186/1735-2746-9-15

Table 2.

Mean (SD) PSQI score of case and control groups in three times (Independent-samples t- test)

Sleep Quality Total score Group Mean SD P-value
First
 Case
 10.22
 3.4
 0.385
 
 Control
 9.75
 3.62
  
Second
 Case
 10.01
 3.35
 0.672
 
 Control
 9.75
 3.65
  
Third
 Case
 10.5
 3.37
 0.296
 
 Control
 9.55
 3.82
  
Mean PSQI total
 Case
 10.22
 3.4
 0.415
  Control 9.74 3.62