Descriptive statistics of key variables
| Derivation dataset (NHANES 2011–2012) | Validation dataset (NHANES 2009–2010) | |||
|---|---|---|---|---|
| n | 8498 | 9022 | ||
| Male (%) | 4240 (50.1%) | 4484 (49.7%) | ||
| Mean (SD) | Median (IQR) | Mean±SD | Median (IQR) | |
| Age (years) | 32.3±23.8 | 29 (11–52) | 32.0±22.9 | 29 (11–51) |
| Weight (kg) | 64.0±30.3 | 66.1 (43.4–83.7) | 65.3±31.0 | 68 (44.7–85.4) |
| MAC (cm) | 28.8±7.6 | 39.6 (23.4–34.2) | 29.1±7.7 | 30.1 (23.8–34.5) |
All results are rounded to one decimal place.
MAC, mid-arm circumference; NHANES, National Health and Nutrition Examination Survey.