99% CI | ||||
Δ(16EN-Etio) | Δ(16EN-A) | Δ(PD-Etio) | Δ(PD-A) | |
Uganda (n = 28) | 2.8 | 2.3 | 3.0 | 2.3 |
South Africa (n = 30) | 2.5 | 2.3 | 3.2 | 2.4 |
Switzerland (n = 31) | 3.4 | 1.2 | 3.2 | 1.4 |
Italy (n = 19) | 2.9 | 2.6 | 3.2 | 1.8 |
Argentina (n = 31) | 2.6 | 1.9 | 2.7 | 1.7 |
Japan (n = 32) | 3.2 | 2.9 | 2.5 | 2.3 |
All values are in δ13CVPDB (‰).
16EN, 16(5α)-androstenol; A, androsterone; Etio, etiocholanolone; PD, 5β-pregnanediol.