HBOT

Before HBOT

After HBOT 30 sessions

After HBOT 40 sessions

p-value

EORTC/RTOG classification

0.008*

Mild ( Grade 1)

0 (0%)

6 (40%)

8 (57.14%)

Moderate ( Grade 2)

4 (26.67%)

6 (40%)

4 (28.57%)

Severe (Grade 3)

10 (6.67%)

3 (20%)

2 (14.29%)

Necrosis (Grade 4)

1 (6.66%)

0 (0%)

0 (0%)