Prevalence of Acanthosis Nigricans by Type 2 Diabetes Mellitus Risk Factor
| Aged 7–19 Years | Aged 20–39 Years | |||
|---|---|---|---|---|
| Type 2 Diabetes Risk Factor | No. | % (95% CI) | No. | % (95% CI) |
| BMI=body mass index; CI=confidence interval. | ||||
| * P <.001 for comparison of prevalence of acanthosis nigricans between those with and without the risk factor. | ||||
| † For children, normal is defined as less than 85th percentile; overweight but not obese is defined as 85th to less than 95th percentile; and obese is defined as 95th percentile or higher. For adults, normal is defined as 25 kg/m2; overweight but not obese is defined as 25 to 30 kg/m2; and obese is defined as ≥30 kg/m2. | ||||
| Family history of type 2 diabetes | ||||
| Yes | 313 | 21.4 (17.0–26.4)* | 448 | 25.2 (21.3–29.5)* |
| No/unknown | 170 | 8.8 (5.0–14.1) | 202 | 11.4 (7.4–16.6) |
| BMI category† | ||||
| Normal | 274 | 2.6 (1.0–5.2)* | 174 | 3.4 (1.3–7.4)* |
| Overweight, not obese | 80 | 11.2 (5.3–20.3) | 187 | 12.3 (8.0–17.9) |
| Obese | 129 | 51.2 (42.2–60.1) | 289 | 37.0 (31.4–42.9) |
| Hypertension | ||||
| Yes | 16 | 68.8 (41.3–89.0)* | 81 | 37.0 (26.6–48.5)* |
| No/unknown | 467 | 15.2 (12.1–18.8) | 569 | 18.6 (15.5–22.1) |