Skip to main content

Table 12 Relative risk of all second cancer due to combined therapy* compared with radiotherapy only

From: Second malignancies in breast cancer patients following radiotherapy: a study in Florence, Italy

Age-at-treatment (years) Relative risk (95% CIa) P-value Cases/women with RT plus chemotherapy or/and hormonal therapy Cases/women with only RT
<50 0.43 (0.16, 1.14) 0.09 5/164 (3.0%) 27/420 (6.4%)
50 to 64 0.44 (0.15, 1.29) 0.14 4/142 (2.8%) 31/407 (7.6%)
65+ 0.82 (0.09, 7.51) >0.5 1/128 (0.8%) 5/106 (4.7%)
All 0.47 (0.23, 0.92) 0.03 10/334 (3.0%) 63/933 (6.7%)
  1. * Radiotherapy plus chemotherapy or/and hormonal therapy.
  2. a Confidence interval.