Older Chinese people without high blood pressure who are obese (BMI 28 or higher) do not have a significantly different risk of dying from any cause compared to those with a normal weight.

Scientific Claim

In older Chinese adults aged 60 and older without hypertension, obesity (BMI ≥28 kg/m²) does not show a statistically significant association with all-cause mortality risk (hazard ratio 0.912, 95% confidence interval 0.792–1.051) compared to normal weight (BMI 18.5–24 kg/m²).

Original Statement

“In normotensive participants, the hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) of BMI <18.5, 24–28 and ≥28 kg/m² for mortality... were 1.444 (1.267–1.646), 0.884 (0.822–0.949) and 0.912 (0.792–1.051), respectively.”

From study:Hypertension modifies the associations of body mass index and waist circumference with all-cause mortality among older Chinese: a retrospective cohort study

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The study is observational, so causal language is inappropriate. The claim correctly states the lack of statistical significance and provides the HR and CI.

Evidence from Studies

Supporting (1)

Hypertension modifies the associations of body mass index and waist circumference with all-cause mortality among older Chinese: a retrospective cohort study

Cohort Study

Human

2022 May 19

Contradicting (0)

No contradicting evidence found

Source Study

Hypertension modifies the associations of body mass index and waist circumference with all-cause mortality among older Chinese: a retrospective cohort study

Score: 59

DOI: 10.1186/s12877-022-03057-9

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