Table 2.

Acrylamide level in food taken from vending machines.

Food sample	n	Mean±SD	Median	Range	CI of the mean	Prevalence (%)
Potato chips	16	1781±637	1827	906-2655	340	100
Salted bakery products	40	211±245	63	<LOQ-677	78	50
Biscuit and wafers	27	184±254	77	<LOQ-755	100	67
Sweet bakery products	10	100±72	111	<LOQ-182	60	60
Sandwiches	4	42±10	42	33-50	15	100

SD, standard deviation; CI, confidence interval; LOQ: limit of quantification. Results are expressed as a mean values±SD (μg/kg).