Table 1 Baseline Characteristics (n = 105) of the study population

Median Age - years (IQR)

51 (45–58)

-

BMI (Kg/m²) (IQR)

28.2 (24.5–30.8)

Current Smoking

2

2%

Hypertension

28

27%

Surgery performed

 Breast conservation surgery

57

54%

 Modified radical mastectomy

48

46%

Type of systemic treatment received

 Anthracycline based

62

59%

 Anti-Her2 based

22

21%

 Without anthracycline or anti-Her2

19

18%

 Both anthracyclines and anti-Her2

2

2%

Radiotherapy details

 DIBH / Non-DIBH

51 / 54

49% / 51%

 FiF IMRT / VMAT

87 / 18

83% / 17%

 Elective nodal regions irradiated

89

85%

 Median whole heart D_mean (Gy) (IQR)

2.87 (2.05–3.94)

-