Table 4: Cohen's dz effect size calculated from QOR mean difference.

Time

Anesthesia Group

QOR, mean differences

Cohen's dz

95% CI for

Cohen's dz

Day 2-Day 1

LOC

3.46

0.39

0.12 to 0.65

Day 3-Day 2

LOC

2.06

0.34

0.08 to 0.60

Day 7-Day 3

LOC

3.39

0.41

0.15 to 0.68

Day 7-Day 1

LOC

8.92

0.66

0.38 to 0.94

Day 2-Day 1

PEC

2.00

0.30

0.04 to 0.56

Day 3-Day 2

PEC

-0.13

-0.06

0.31 to 0.20

Day 7-Day 3

PEC

0.98

0.16

0.09 to 0.42

Day 7-Day 1

PEC

2.84

0.29

0.03 to 0.54