Table 2.

Dietary profile and nutrient intake in patients with Retinitis Pigmentosa

	Males (n = 23)		Females (n = 33)
	Mean (SD)	DRI	Mean (SD)	DRI
Energy, kcal	1994.9 (436.4)	2200	1830 (362.1)	1800
% of energy from carbohydrates	47.9 (7.9)	45–60 %	49.6 (6.2)	45–60 %
% of energy from protein	16.7 (2.6)	15–20 %	17.7 (2.8)	15–20 %
% of energy from fats	34.6 (6.2)	<30 %	34.1 (5.6)	<30 %
% of energy from saturated fats	9.3 (2.8)	< 10 %	9.3 (2.3)	< 10 %
% of energy from monounsaturated fats	15.6 (3.6)	15–20 %	15 (3.7)	15–20 %
% of energy from polyunsaturated fats	3.6 (1)	5–10 %	3.4 (0.9)	5–10 %
EPA, mg	180 (130)	>250	230 (60)	>250
DHA, mg	190 (150)		280 (60)
Cholesterol, mg	284.4 (113.9)	<200	266.3 (87.6)	<200
Dietary fibre, g	15.5 (4.5)	25	15.9 (4.3)	25
Calcium, mg	596.9 (198.8)	1000	662.5 (213.9)	1000
Magnesium, mg	138.8 (50.4)	240	139.6 (33.6)	240
Potassium, mg	2432.8 (511.5)	3900	2423.9 (552.5)	3900
Sodium, mg	1626.8 (563.1)	1500	1357.8 (443.1)	1500
Iron, mg	11.7 (3.7)	10	10.9 (2.8)	18
Vitamin A, μg RAE	1332.9 (205.7)	700	1368.9 (498.7)	600
Thiamin, mg	1.07 (0.35)	1.2	1.05 (0.21)	1.1
Riboflavin, mg	1.56 (0.47)	1.6	1.16 (0.32)	1.3
Niacin, mg	17.3 (5.4)	18	15.4 (4.9)	18
Vitamin B6, mg	1.26 (0.43)	1.3	1.33 (0.39)	1.3
Folic acid, mg	203.9 (80.4)	400	221.2 (66.8)	400
Vitamin C, mg	112.1 (60.6)	105	136.3 (50.5)	85
Vitamin D, μg	3.83 (2.76)	15	4.44 (2.24)	15
Vitamin E, mg	9.7 (3.6)	15	9.2 (3.1)	15

The dietary reference intakes (DRI) are presented using adequate intake and population reference intake for males and females aged 18–59 years according to the Dietary Reference Values of the Italian Society of Human Nutrition [15]

EPA eicosapentaenoic acid, DHA docosahexaenoic acid, RAE retinol activity equivalent