Single treatment Combined treatment p-value
Evaluation n % n %
4 weeks          
Worsened 0 0 2 10.5 0.5851
No change 6 54.5 6 31.6
Improved 5 45.5 10 52.6
Markedly improved 0 0 1 5.3
Not determined 0 0 0 0
Total 11 100 19 100 -
8 weeks          
Worsened 0 0 1 5.9 0.6832
No change 1 9.1 4 23.5
Improved 9 81.8 10 58.8
Markedly improved 1 9.1 2 11.8
Not determined 0 0 0 0
Total 11 100 17 100 -
12 weeks        
Worsened 0 0 0 0 0.7005
No change 3 27.3 4 23.5
Improved 4 36.4 4 23.5
Markedly improved 4 36.4 9 52.9
Not determined 0 0 0 0
Total 11 100 17 100 -
Table 12: Patients’ impression of treatment effect [Comparison between groups using Fisher’s exact test].