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. 2020 May 20;8(1):e000939. doi: 10.1136/bmjdrc-2019-000939

Table 2.

Diabetes, prediabetes, and impaired glucose metabolism prevalence rates across age-groups and BMI categories

N Diabetes prevalence rates N Prediabetes prevalence rates N Impaired glucose metabolism prevalence rates
% (95% CI) % (95% CI) % (95% CI)
Age category (years)
 18–29 7 2.18 (0.9 to 4.4) 50 15.58 (11.8 to 20.0) 57 17.76 (13.7 to 22.4)
 30–39 7 3.03 (1.2 to 6.1) 42 18.18 (13.8 to 24.2) 49 21.21 (16.1 to 27.0)
 40–49 11 6.01 (3.0 to 10.5) 61 33.33 (27.1 to 41.2) 72 39.34 (32.2 to 46.8)
 50–59 18 14.87 (9.1 to 22.5) 47 38.84 (31.7 to 49.8) 65 53.72 (44.4 to 62.8)
 ≥60 24 18.46 (12.2 to 26.2) 46 35.38 (28.6 to 45.8) 70 53.85 (44.9 to 62.6)
 Overall 67 6.75 (5.3 to 8.5) 246 24.95 (22.8 to 28.3) 314 31.74 (28.7 to 34.6)
BMI (kg/m2)
 <18.5 6 7.89 (2.9 to 16.3) 17 22.37 (13.6 to 33.4) 23 30.26 (20.2- to 41.9)
 18.5–24.9 17 3.58 (2.1 to 5.6) 97 20.42 (16.9 to 24.3) 114 24.00 (20.2 to 28.1)
 25–29.9 22 9.32 (5.9 to 13.7) 56 23.73 (18.5 to 29.6) 78 33.05 (27.1 to 39.4)
 ≥30 22 10.89 (6.9 to 16.0) 77 38.12 (31.4 to 45.2) 99 49.01 (41.9 to 56.1)
 Overall 67 6.77 (5.3 to 8.5) 247 24.97 (22.8 to 28.3) 314 31.75 (28.6 to 34.6)

Impaired glucose metabolism: patients with diabetes and prediabetes; BMI<18.5 kg/m2 underweight, BMI=18.5–24.9 kg/m2 normal weight, BMI=25–29.9 kg/m2 overweight, and BMI≥30 kg/m2 obesity.

BMI, body mass index.