| Parameters | Group | Num. | Mean | Standard deviation | Confidence Interval 95% | |
| Lower limit | Upper limit | |||||
| CHB | Control | 12 | −2.14 | 0.50 | −2.46 | −1.83 |
| Test | 12 | −0.73 | 0.19 | −0.85 | −0.60 | |
| CHM | Control | 12 | −1.33 | 0.37 | −1.56 | −1.09 |
| Test | 12 | −0.43 | 0.21 | −0.56 | −0.29 | |
| CHP | Control | 12 | −0.93 | 0.51 | −1.26 | −0.61 |
| Test | 12 | −0.53 | 0.18 | −0.64 | −0.41 | |