a near-significant trendp = 0.004
In the unweighted analysis, PERMANOVA detected significant separation between smell group, whereas ANOSIM showed a near-significant trend (weighted UniFrac: ANOSIM R 2 = 0.215, p = 0.004; PERMANOVA R 2 = 0.170, p = 0.055; unweighted UniFrac: ANOSIM R 2 = 0.186, p = 0.054; PERMANOVA R 2 = 0.092, p = 0.037.