Are the effects of blood pressure lowering treatment diminishing?: meta-regression analyses.

Background: Previous studies have suggested that the effects of medical interventions tend to diminish over time. We investigated whether the effects of blood pressure lowering treatment on all-cause mortality and stroke have diminished over time.

Methods: We conducted meta-regression analyses.

[Preventive therapy in middle-aged and elderly persons selected from the population-based screening by mass miniature radiography--methodological aspect and adverse reactions].

The notification rate of tuberculosis in Japan was 31.0 per 100,000 in 2000. The rate was especially high among the elderly population, reaching 85.