Table 1 Key differences between the WHI and observational HRT studies
From: Advances in hormone replacement therapy: making the menopause manageable
| Â | OBSERVATIONAL STUDIES | WHI |
|---|---|---|
AGE AT HRT INITIATION (MEAN) | 52 yrs | 63 yrs |
TIME SINCE MENOPAUSE (MEAN) | 1.5 yrs | 12 yrs |
VASOMOTOR SYMPTOMS | + | - |
HRT FORMULATIONS | DIVERSES | CEE+MPA |
DURATION OF HRT USE | LONG | SHORT |