A laboratory-based study on patients with Parkinson’s disease and seborrheic dermatitis: the presence and density of Malassezia yeasts, their different species and enzymes production

Table 4 Correlation between study groups and culture-based mycological findings expressed as number and presence of Malassezia colonies on lesional and non-lesional skin

Variables/potential classificatory of selected groups	Logistic regression analysis adjusted on age and sex (OR; 95% CI; p)
	SDN vs. SDP	HC vs. SDN	HC vs. SDP
Intensity of SD	0.81; 0.66-0.99; 0.043*	-	-
Intensity of SD in categories	0.46; 0.20-1.04; 0.063	-	-
Number of colonies (CFU/tape) on LS	1.01; 0.99-1.02; 0.110	-	-
Number of colonies (CFU/tape) on LS by categories	1.51; 0.62-3.64; 0.363	-	-
Number of colonies (CFU/tape) on NLS	1.01; 0.99-1.02; 0.398	0.99; 0.98-1.01; 0.786	1.01; 0.99-1.02; 0.288
Number of colonies (CFU/tape) on NLS by categories	1.35; 0.56-3.29; 0.504	0.98; 0.54-1.78; 0.954	1.60; 0.75-3.42; 0.225
Presence of Malassezia on LS	0.89; 0.17-4.68; 0.898	-	-
Presence of Malassezia on NLS	1.89; 0.45-8.02; 0.387	0.97; 0.44-2.12; 0.933	2.32; 0.63-8.53; 0.206

Abbreviations: OR, Odds ratio; CI, Confidence interval; SD, Seborrheic dermatitis; SDN, Seborrheic dermatitis in patients without Parkinson disease; SDP, Seborrheic dermatitis in patients with Parkinson disease; HC, Healthy controls; LS, Lesional skin; NLS, Non-lesional skin; CFU, Colony forming units; *p<0.05.

ISSN: 1471-5945