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Table 1 The patient characteristics

From: The clinical results of proton beam therapy in patients with idiopathic pulmonary fibrosis: a single center experience

Characteristics

Patients

Age (years)

 Median (range)

76 (63–89)

Gender

 Male

14 (87 %)

 Female

2 (13 %)

Performance status

 0

9 (56 %)

 1

5 (31 %)

 2

2 (13 %)

Follow-up time (months)

 Median (range)

14 (5–39)

T categorya (n = 15)

 T1

7 (47 %)

 T2

6 (40 %)

 T3

2 (13 %)

Stagea (n = 15)

 I

12 (80 %)

 II

3 (20 %)

Histopathology

 Squamous cell carcinoma

7 (44 %)

 Adenocarcinoma

2 (13 %)

 Small cell carcinoma

1 (6 %)

 Clinical malignancy

5 (31 %)

 Metastasis (lung cancer)

1 (6 %)

Diameter of lung tumor (mm)

 Median (range)

24 (15–60)

Total dose (Gy (RBE))

 Median (range)

80 (66.0–86.4)

  1. Abbreviations: RBE relative biological dose effectiveness, PBT proton beam therapy
  2. aNumbers correspond to the tumor-node-metastasis system of classification (International Union Against Cancer criteria)