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Table 3
Composite abundance index offsets for the matched control sample.
| Composite index | t-test p value | ΔMean [(dex) |
|---|---|---|
| [(CNO + Fe)/H]† | 0.098776 | 0.07 |
| [CNO/H]† | 0.069974 | 0.09 |
| [(Rock + CNO)/H]† | 0.106421 | 0.07 |
| [(Ref + CNO)/H]† | 0.143724 | 0.06 |
| [Fe/H] | 0.821116 | −0.01 |
| [Rock/H] | 0.586002 | −0.02 |
| [Rock/Fe] | 0.208325 | −0.03 |
| [Vol/Ref]† | 0.018026 | 0.11 |
Notes. † Indices involving C and N abundances are affected by lower reliability owing to flagged measurements in GALAH DR4 (see Sect. 2.3).
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