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. 2026 Oct 12;18:1906016. doi: 10.3389/fnagi.2026.1906016

Table 3.

Comparison of serum GDF-15 levels between non-smokers and smokers in the MMD group.

Characteristics Non-smoking (n = 60) Smoking (n = 61) p value
GDF-15 (pg/mL) 710.5 ± 68.46 702.2 ± 44.86 0.917