TNF and psoriasis: Nominal univariate effects for TNF-α on SIRI (F = 4.600; <i>p</i> = 0.039) and PIV (F = 5.660; <i>p</i> = 0.023) did not remain significant after BH-FDR.<h4>Conclusions</h4>SIRI was consistently elevated in psoriasis, whereas PIV showed a nominal difference versus controls.