Table 2.

Statistical differences at the beginning of the treatment

Final group - comparison	Difference between means	Simultaneous 95% confidence limits
Only A - D and A	0.52	−0.72	1.77
Only A - Only D	1.30	−0.70	3.29
Only A - A and D	2.40	0.40	4.39	***
Only D - D and A	−0.77	−2.78	1.23
Only D - A and D	1.10	−1.44	3.64
A and D - D and A	−1.87	−3.88	0.13

***Significant comparisons at the 0.05 level