Table 2

Distribution of HRT use among sporadic breast cancer cases

Patients characteristics

Sporadic breast cancer cases N (%)


HRT use

Nonusers: 0 < 1 years

373 (70.4)

Short-term users: 1 < 5 years

76 (14.3)

Long-term users: ≥ 5 years

81 (15.3)

Missing

0

Regimen of HRT*

Estrogen only

53 (28.8)

Estrogen plus progestin

131 (71.2)

Missing

2


* Among those who ever used HRT

Cerne et al. BMC Cancer 2012 12:105   doi:10.1186/1471-2407-12-105

Open Data