Table II.

Effects of tamoxifen on various life-threatening and severe events, expressed as relative risks compared to placebo.^*

Type of event	Relative risk	95% Confidence interval
Life-threatening events
Invasive breast cancer	0.51	0.39 to 0.66
Hip fracture	0.55	0.25 to 1.15
Endometrial cancer
All women	2.53	1.35 to 4.97
Women ≥50 years old	4.01	1.70–10.90
Stroke	1.59	0.93 to 2.77
Pulmonary embolism	3.01	1.15 to 9.27
Severe events
In situ breast cancer	0.50	0.33 to 0.77
Deep vein thrombosis	1.60	0.91 to 2.86

^*Data from [39].