Table 4

Agents shown to be effective in the prevention/reduction of postmenopausal bone loss

Grade of evidence
HRT, hormone replacement therapy; *data inconsistent.
Grade A, meta-analysis or randomised controlled trial or at least one randomised controlled trial.
Grade B, from at least one well designed controlled study without randomisation, from at least one other well designed quasi-experimental study, or from well designed non-experimental descriptive studies, for example, comparative studies, correlation studies, case controlled studies.
Grade C, from expert committee reports/opinions/or clinical experience of authorities.
The table comes from the Royal College of Physician/Bone and Tooth Society updated guidelines on the “Management of osteoporosis”.
AlendronateA
CalcitoninA*
CalcitriolA*
CalciumA
Cessation of smokingB
Cyclical etidronateA
HRTA
Physical exerciseA
RaloxifeneA
Reduced alcohol consumptionC
RisedronateA
TiboloneA
Vitamin D and calciumA