Table 1

Randomized controlled trials of combination estrogen plus progestin postmenopausal hormone therapy and recurrence of breast cancer

Author [ref.]
Year
Number of patients randomized
Number of patients with follow up
Duration of follow up
Number of recurrences (hormone therapy/control)
RR (95% CI)

Marsden et al. [23]
2000
100
83
6 months
2/1
2
Holmberg and Anderson [15]
2004
434
345
2.1 years
26/7
3.3 (1.5–7.4)
von Schoultz and Rutqvist [14]
2005
378
359
4.1 years
11/13
0.82 (0.35–1.9)

CI, confidence interval; RR, relative risk.

Colditz Breast Cancer Research 2005 7:168   doi:10.1186/bcr1272