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Table 1 Patient characteristics

From: The risk and predictors for severe radiation pneumonitis in lung cancer patients treated with thoracic reirradiation

Variable Value or No. of patients(%)
Sex
 Male 48 (71.6%)
 Female 19 (28.4%)
Median age (years, range) 59 (34~ 80)
Current smoker
 Yes 43 (64.2%)
 No 24 (35.8%)
Tumor type
 Recurrences 54 (80.6%)
 Metastases 10 (14.9%)
 New primary tumors 3 (4.5%)
Pathologic type
 NSCLC 36 (53.7%)
 SCLC 31 (46.3%)
Prior thoracic surgery
 Yes 17 (25.4%)
 No 50 (74.6%)
ECOG status before Re-RT
 0–1 61 (91.0%)
 2 6 (9.0%)
Chemotherapy
 Yes 19 (28.4%)
 No 48 (71.6%)
Initial RT technique
 Conventional 65 (97.0%)
 SBRT 2 (3.0%)
Re-RT technique
 Conventional 60 (89.6%)
 SBRT 7 (10.4%)
Re-RT location
 Central 47 (70.1%)
 Peripheral 20 (29.9%)
Re-RT location
 In field 33 (49.3%)
 Outside 34 (50.7%)
Median time to Re-RT(months, range) 16 (2–96)
Median follow-up(months, range) 9(4–76)
  1. Abbreviations: NSCLC non-small cell lung cancer, SCLC small cell lung cancer, Re-RT reirradiation, SBRT stereotactic ablative radiation therapy