Parameters	Group	Num.	Mean	Standard deviation	Confidence Interval 95%
Parameters	Group	Num.	Mean	Standard deviation	Lower limit	Upper limit
CW4	Control	12	−2.70	0.39	−2.95	−2.45
CW4	Test	12	−1.18	0.30	−1.37	−0.98
CW6	Control	12	−1.82	0.37	−2.05	−1.58
CW6	Test	12	−0.63	0.20	−0.75	−0.50