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Table 5 Grade of oesophagitis and grade of neutropenia according to percentage of oesophagus receiving 20 Gy

From: Association of oesophageal radiation dose volume metrics, neutropenia and acute radiation oesophagitis in patients receiving chemoradiotherapy for non-small cell lung cancer

% of oesophagus volume receiving 20Gy

Acute neutropenia grade

Acute oesophagitis grade

p-value

0 + 1

2 + 3 + 4

50 % or less

0 + 1

17 (85 %)

6 (55 %)

0.071

 

2 + 3 + 4

3 (15 %)

5 (45 %)

 

>50 %

0 + 1

7 (78 %)

8 (57 %)

0.400

 

2 + 3 + 4

2 (22 %)

6 (43 %)

 

Overall

0 + 1

24 (83 %)

14 (56 %)

0.035

 

2 + 3 + 4

5 (17 %)

11 (44 %)