Day-to-day variability of endogenous cortisol 6β-hydroxylation clearance
| Subject | Age | Sex | Cortisol 6β-Hydroxylation Clearance [CLm(6β)] | |||
|---|---|---|---|---|---|---|
| Mean ± S.D. | CV (%) | Range | Variability | |||
| years | ml/min | ml/min | fold | |||
| 1 | 23 | F | 2.40 ± 0.45 | 18.9 | 1.55–3.51 | 2.3 |
| 2 | 23 | F | 3.80 ± 0.67 | 17.5 | 2.96–5.18 | 1.8 |
| 3 | 23 | F | 2.25 ± 0.37 | 16.5 | 1.41–2.89 | 2.0 |
| 4 | 23 | F | 2.66 ± 0.50 | 18.8 | 2.05–4.28 | 2.1 |
| 5 | 23 | F | 1.76 ± 0.36 | 20.7 | 0.91–2.87 | 3.2 |
| 6 | 38 | F | 2.11 ± 0.40 | 19.0 | 1.69–3.35 | 2.0 |
| 7 | 23 | F | 2.98 ± 0.49 | 16.4 | 2.12–4.00 | 1.9 |
| 8 | 23 | F | 1.77 ± 0.33 | 18.6 | 1.18–2.37 | 2.0 |
| 9 | 34 | F | 1.96 ± 0.22 | 11.2 | 1.61–2.43 | 1.5 |
| 10 | 24 | F | 3.28 ± 0.81 | 24.8 | 2.34–5.68 | 2.4 |
| 11 | 32 | F | 2.03 ± 0.47 | 23.1 | 1.34–3.13 | 2.3 |
| 12 | 45 | F | 2.49 ± 0.60 | 24.0 | 1.34–3.90 | 2.9 |
| 13 | 58 | M | 4.17 ± 1.26 | 30.2 | 1.72–5.85 | 3.4 |
| 14 | 35 | M | 1.92 ± 0.38 | 19.6 | 1.01–2.45 | 2.4 |
| Mean ± S.D. | 30.5 ± 10.7 | 2.54 ± 0.76 | 20.0 ± 4.5 | 2.30 ± 0.53 | ||