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The association between self-reported heart attacks and being overweight/obese was notably strong for the model using the standard WHO cutoff (prevalence ratio = 4.67; 95% CI; 1.37, 15.9).
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Based on the WHO Asian-specific cutoffs, the prevalence of obesity (BMI⩾25 kg/m) in the Shanghai population is 25% but it is only 4.1% if the conventional cutoffs (BMI >30 kg/m) are used.
According to a study conducted in 2004, which used International Obesity Taskforce (IOTF) cutoffs, the prevalences of overweight and obese adolescents in HCMC were 11.7% and 2.1%, respectively.
In a multivariable model using standard BMI cutoff points, diabetes prevalence among normal-BMI foreign-born South Asians remained significantly higher than the prevalence among all other race/nativity groups in the same BMI category.
Accordingly, the new cutoff lowered the prevalence of positives in the asymptomatic SARD cohort from 26/41 (63.4%) to 5/41 (12.2%).
Using the third method(US CDC cutoff points), the prevalence of TST positive pregnant women was 30.4%(87 of 286) while that of latent TB infection was 29.7%(85 of 286).
According to the cutoff value, AECA prevalence in SSc population was 14.7% (5 of 34) and the AECA BI was significantly higher in SSc patients than in healthy controls (P = 0.002) (Fig. 1).
PTSD-related symptoms were found in 24%95%5% confidence interval 17% to 33%) of patients when a PTSS-10 score of 35 was chosen as the cutoff, whereas the prevalence of PTSD symptomology when borderline patients scoring 27 points or more were included was 38%95%5% confidence interval 29% to 48%).
Table 2 shows the computed optimal cutoff points and prevalences for this population stratified by HIV status.
At haemoglobin cutoff point 9 g/dL (prevalence of anaemia, 21%) severe tongue pallor increased the probability to 67% (30, 92) while absence of tongue pallor decreased the probability to 7% (2, 15).
The cutoff value used affects prevalence estimates.
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CEO of Professional Science Editing for Scientists @ prosciediting.com