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Effects of exercise on metabolic risk, cardiovascular fitness, and body composition in elderly women of the past decade: a systematic review and meta-analysis.
This systematic review and meta-analysis pooled randomized trials comparing supervised exercise to no exercise in healthy elderly women (2014-2024). The a…
Signal score64Research triage score
CertaintyOutcome-specific: moderate certainty for reductions in TC, TG, relative body fat, VO2peak, and SBP; low certainty for other reported outcomes (as stated in abstract).Verify in full text
PMID42228407Source identifier
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Plain-English signal
This systematic review and meta-analysis pooled randomized trials comparing supervised exercise to no exercise in healthy elderly women (2014-2024). The authors found that exercise reduced triglycerides, total cholesterol, LDL cholesterol, fasting glucose, and C-reactive protein, increased peak oxygen uptake (VO2peak), and lowered systolic and diastolic blood pressure. Body fat percentage decreased but body weight and muscle mass measures did not change significantly. The authors rate evidence as moderate for lipid, VO2peak, and systolic blood pressure benefits and low for several other outcomes. These results suggest supervised aerobic, resistance, or combined exercise can improve cardiovascular risk factors in older women, but implementation details and long-term clinical benefits require full-text review.
Why it matters
- Addresses whether supervised exercise reduces metabolic and cardiovascular risk markers in healthy elderly women-a population with age- and sex-specific cardiovascular risk trajectories.
- Reports pooled changes in clinically relevant biomarkers (lipids, glucose, CRP), blood pressure, and VO2peak that inform primary prevention strategies for older women.
- Findings could influence prioritization of exercise programs for cardiovascular risk reduction in geriatric and community health settings, subject to local feasibility and cost.
Primary outcomes
- Triglycerides (TG)
- Total cholesterol (TC)
- Low-density lipoprotein cholesterol (LDL-C)
- Blood glucose (Glu)
- C-reactive protein (CRP)
Effect summary
Abstract-reported pooled effects (exercise vs nonexercise controls): TG -8.56 mg/dL (95% CI: -16.72, -0.40); TC -26.67 mg/dL (95% CI: -34.92, -18.42); LDL-C -23.77 mg/dL (95% CI: -34.48, -13.05); glucose -5.59 mg/dL (95% CI: -10.12, -1.06); CRP -0.86 mg/L (95% CI: -1.37, -0.35); VO2peak +2.78 mL/kg/min (95% CI: 1.87, 3.70); SBP -8.35 mmHg (95% CI not provided in abstract); DBP -3.26 mmHg (95% CI not provided); relative body fat -2.47% (95% CI: -3.42, -1.53). No significant pooled changes for body weight, trunk fat mass, waist circumference, fat-free mass, or skeletal muscle mass (per abstract).
Benefit-cost lens
| Quick take | Meta-analysis reports modest-to-moderate improvements in lipids, blood pressure, and VO2peak for supervised exercise versus nonexercise control in elderly women. Translating to implementation requires baseline absolute risks, program costs, uptake, and sustained adherence estimates. |
|---|---|
| BCR anchor | 2 |
| Time horizon | 3 |
| Discount rate | 0.03 |
| Assumptions | Assessment based on abstract-only data from PubMed; full text needed to verify inclusion criteria, intervention intensity/dose, intervention duration, harms, and subgroup analyses. |
Benefit-cost fields are assumptions-based unless explicitly source-derived. Treat them as prompts for deeper economic review.
Risk of bias
| Tool | Cochrane RoB2 (per abstract) / rapid-abstract-screen |
|---|---|
| Verdict | Some concerns |
| Notes | Authors report using RoB2 and GRADE, but this triage is based on abstract-only data. The abstract does not provide detailed RoB domains, heterogeneity metrics, or sensitivity analyses; full-text review required to confirm bias judgments and influence of study-level quality. |
Harms, equity, conflicts & implementation
| Implementation | Full-text review to extract intervention types (aerobic/resistance/combined), session frequency/intensity/duration, supervision level, adherence, adverse events, and cost/resource needs; local adaptation for accessibility and staffing; monitoring plan for outcomes. |
|---|---|
| Equity impact | Unclear from abstract. Equity effects depend on differential access to supervised exercise, cost barriers, mobility limitations, and subgroup responses; check full text for subgroup or socioeconomic analyses. |
| Harms | No harms or adverse event summary presented in abstract. Full-text review required to assess adverse events, falls, musculoskeletal injuries, and differential harms. |
| Replication | Unknown from automated PubMed triage; replication across included trials suggested by meta-analysis but not independently verified here. |
Source links — verify original
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