Key result
In healthy older adults, low systolic blood pressure (<150 mm Hg) was associated with a 41% lower risk of 4-year mortality compared to high systolic blood pressure (≥170 mm Hg) (OR 0.59).
Cohort (n=603)
In healthy older adults, a medium systolic blood pressure (150-169 mm Hg) is associated with higher mortality than high (≥170 mm Hg) or low (<150 mm Hg) pressures, suggesting a non-linear relationship where those with high blood pressure may benefit from subsequent treatment.
Highlights potential non-linear SBP-mortality link in healthy older adults; hypothesis-generating and should not change practice without RCTs.
Table 1-Number of emergency plans that contained specified elements of planning Arrangements specified In guidance No of plans (%) Action cards 119 (84) Standard alerting messages 67 (47) Handling relatives 123 (87) Handling press 132 (93) Liaising with police 126 (89) Handling volunteers 105 (74) Handling important visitors 35 (25) Audit of plan 58 (41) Training requirements 35 (25) Managing injured children 44 (31) All guidance 6 (4)incidents,' yet few plans specified plans for audit or the training of staff.Few plans specified procedures for the management of children, and when they were included they typically consisted of the use of a paediatrician to help in the triage and treatment of paediatric casualties.This is unlikely to be adequate in an incident resulting in large numbers of injured children.Health service guidelines state that plans should be reviewed at regional level.The small number of plans conforming with current guidance shows that this review procedure is not effective.Most hospital major incident plans need revision, and methods of reviewing plans should be strengthened in the light of these results.
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Starr et al. (1996) conducted a cohort in Healthy older adults (n=603). Low systolic blood pressure (<150 mm Hg) vs. High systolic blood pressure (≥170 mm Hg) was evaluated on 4-year mortality (OR 0.59, 95% CI 0.38 to 0.92, p=0.04). In healthy older adults, low systolic blood pressure (<150 mm Hg) was associated with a 41% lower risk of 4-year mortality compared to high systolic blood pressure (≥170 mm Hg) (OR 0.59).
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