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Table 2 Patient characteristics (N=123)

From: A novel nomogram containing acute radiation esophagitis predicting radiation pneumonitis in thoracic cancer receiving radiotherapy

Variables

Cohort, No. (%)

Median age

64 (range 25~81)

Sex

 Male

94(76.40)

 Female

29(23.60)

Smoking status

 No smoking

52(42.30)

 Current

31(25.20)

 Former

40(32.50)

Tumor type

 Lung cancer

57(46.30)

 Esophageal cancer

64(52.00)

 Mediastinal malignant fibrous adenoma

2 (1.60)

RT modality

 IMRT

103(83.74)

 3D-CRT

15(12.20)

 TOMO

5 (4.06)

Total prescribed dose (cGy)

 ≥6000

64(52.03)

 5000~6000

24(19.51)

 ≤5000

35(28.46)

ARE

 Grade 0-1

46(37.40)

 Grade 2-5

77(62.60)

RP

 Grade 0-1

86(69.90)

 Grade 2-5

37(30.10)

  1. Abbreviations: OR odds ratio, CI confidence interval, RT radiotherapy, IMRT intensity-modulated radiotherapy. 3D-CRT 3D-conformal radiotherapy, TOMO tomotherapy; ARE acute radiation-induced esophagitis, RP radiation-induced pneumonitis