Table 3 Severity of oral mucositis according to OMAS over time during weeks 1 to 7 for CHX, polyherbal, zinc sulfate, and placebo groups

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

1.000

0.35 ± 0.78

0.00 ± 0.00

0.06 ± 0.24

0.94 ± 1.29

0.001^a

1.06 ± 1.34

0.23 ± 0.44

0.41 ± 0.79

2.62 ± 2.61

0.003^a

2.06 ± 2.01

0.65 ± 0.99

0.82 ± 1.28

4.06 ± 3.11

 < 0.001^a

3.31 ± 2.67

1.58 ± 1.66

1.47 ± 2.03

5.00 ± 3.36

0.001^a

4.37 ± 2.92

2.12 ± 2.06

2.23 ± 2.82

6.20 ± 3.23

0.001^a

5.06 ± 2.84

2.58 ± 2.576

2.71 ± 3.33

6.86 ± 3.74

0.002^a