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Table 1 Patient clinical and treatment characteristics

From: Biological dosiomic features for the prediction of radiation pneumonitis in esophageal cancer patients

Clinical and treatment characteristic

Median (range)/n (%)

Age

61 (26–93)

Sex

 Male

89 (88%)

 Female

12 (12%)

Smoking history

 No

29 (29%)

 Active smoking

25 (25%)

 Quit smoking < 10 years

33 (33%)

 Quit smoking ≥ 10 years

14 (13%)

Stage

 1

4 (4%)

 2

3 (3%)

 3

71 (70%)

 4

23 (23%)

Treatment setting

 CCRT

95 (94%)

 RT

6 (6%)

RT aim

 Preoperative

47 (47%)

 Postoperative (adjuvant)

1 (1%)

 Definitive

49 (48%)

 Palliative

4 (4%)

Prescription dose

50.4 (30.0–60.0)

Prescription dose per fraction

1.8 (1.8–3.0)

RT modality

 3D conformal RT

78 (77%)

 IMRT/VMAT

9 (9%)

 Combine

14 (14%)

RP grade

 0

38 (38%)

 1

58 (57%)

 2

5 (5%)

 3

0 (0%)

 4

0 (0%)