Nutrition: a key environmental dietary factor in clinical severity and cardio-metabolic risk in psoriatic male patients evaluated by 7-day food-frequency questionnaire

Table 4 Correlation between PASI score with energy and nutrient intake

Simple correlation			Partial correlation (adjusting for BMI and metabolic syndrome)
Parameters	PASI score		PASI score
Parameters	r	p values	r	p values
Total energy (kcal)	0.432	0.005	0.022	0.895
Protein (% of total kcal)	−0.083	0.604	0.006	0.972
Carbohydrate (% of total kcal)	−0.164	0.305	−0.188	0.251
Complex (% of total kcal)	−0.471	0.002	−0.357	0.026
Simple (% of total kcal)	0.564	<0.001	0.352	0.028
Fat (% of total kcal)	0.491	0.001	0.372	0.020
SFA (% of total kcal)	0.413	0.007	0.289	0.075
MUFA (% of total kcal)	−0.635	<0.001	−0.460	0.003
PUFA (% of total kcal)	0.523	<0.001	0.384	0.016
n-6 PUFA (g/day)	0.514	0.001	0.321	0.047
n-3 PUFA (g/day)	−0.505	0.001	−0.547	<0.001
n-6/n-3 PUFAs ratio	0.621	<0.001	0.532	<0.001
Cholesterol (mg/day)	0.443	0.004	0.112	0.498
Fiber (g/day)	−0.471	0.002	−0.115	0.487

PASI score well correlated with all the dietary components, except for protein and total carbohydrates. Correlations between variables were performed using Pearson r and Spearman’s rho correlation coefficients. After adjusting for BMI and number of parameters of metabolic syndrome, the associations between PASI score and nutrient intake were mainly preserved. Italicized p-values represent significant differences at p < 0.05
SFA saturated fatty acids, MUFA monounsaturated fatty acids, PUFA polyunsaturated fatty acids

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