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Table 2 Included studies reporting T2D risk in a population with obesity with NGT or prediabetes

From: Understanding the risk of developing weight-related complications associated with different body mass index categories: a systematic review

Study

Year

Country

Glycemic status

BMI (kg/m2)

Risk

Note

Blume et al. [57]

2015

USA

NGT

30.0–34.9

HR 3.4

Relative to normal weight (BMI 18.5–25.0)

35.0–39.9

HR 5.8

≥ 40

HR 9.5

Prediabetes

30–34.9

HR 2.0

35.0–39.9

HR 2.5

≥ 40

HR 2.9

Ligthart et al. [34]

2016

Netherlands

NGT

30.0–34.9

AR 43.9% (95% CI 38.6–49.2)

Absolute risk of developing T2D at age 45 years

≥ 35

AR 56.6% (95% CI 46.7–66.6)

Prediabetes

30.0–34.9

AR 87.7% (95% CI 79.4–96.0)

≥ 35

AR 80.9% (95% CI 65.9–95.9)

Zatońska et al. [58]

2020

Poland

Pooled NGT and prediabetes

≥ 30

HR 5.731 (95% CI 2.56–12.82)

Relative to normal weight (BMI 18.5–24.9)

  1. AR absolute risk, BMI body mass index, CI confidence interval, HR hazard ratio, NGT normal glucose tolerance, T2D type 2 diabetes