Table 2.
Laboratory findings for male youth
| Measure of Central Tendencya, Sample size | Range | % Out of Range (reference range) | |
|---|---|---|---|
| Metabolic panel | |||
| Sodium (mmol/L) | 141 (IQR = 3), 59 | 135–146 | 1.7% (135–145) |
| Potassium (mmol/L) | 4.3 (SD = 0.42), 59 | 3.4–5.2 | 5.1% (3.5–5.0) |
| Chloride (mmol/L) | 102 (IQR = 3), 50 | 95–111 | 4.0% (95–107) |
| Magnesium (mmol/L) | 0.86 (SD = 0.08), 55 | 0.65–1.05 | 9.1% (0.74–0.99) |
| Phosphate (mmol/L) | 1.37 (SD = 0.26), 56 | 0.22–1.95 | 23.2% (0.87–1.52) |
| Transaminases | |||
| Aspartate aminotransferase (AST; U/L) | 31 (IQR = 14), 44 | 15–112 | 25.0% (10–40) |
| Alanine aminotransferase (ALT; U/L) | 27.5 (IQR = 23.75), 46 | 0–241 | 32.6% (10–45) |
| Cholesterol Panel | |||
| Cholesterol (mmol/L) | 3.65 (SD = 0.89), 24 | 1.3–5.2 | 16.7% (2.6–5.2) |
| Triglycerides (mmol/L) | 0.70 (IQR = 0.72), 23 | 0.24–2.12 | 26.1% (0.4–1.5) |
| Hormones | |||
| Testosterone (nmol/L) | 6.1 (IQR = 14)b, 30 | 0.4–30.1b | 13.3% (< 0.6) |
aMean (Standard Deviation) is reported for variables that were normally distributed. Median (Interquartile Range) is reported for variables with a non-normal distribution
b3 males had undetectable testosterone levels. The values presented are for those for whom hormone levels could be recorded by the laboratory (n = 27); however, the column for the percentage of participants for whom the values were out of range included those who had undetectable testosterone levels