Table 3: Values of calcium, phosphorus, magnesium, sodium and potassium concentrations, expressed in mg/L, according to the types of milk studied.

	Mean±SD	95%CI of the mean		p-value*
Calcium
BP (n=68)	259.4±96.8	235.9	282.8	BP × P: p=0.003
P (n=68)	217.0±54.9	203.6	230.3	P × MB: p=0.273
MB (n=72)	197.4±67.7	181.4	213.3	BP × MB: p<0.001
Phosphorus
BP (n=68)	139.10±51.74	126.6	151.6	BP × P: p=0.004
P (n=68)	116.8±33.3	108.7	124.9	P × MB: p<0.001
MB (n=72)	97.1±31.2	89.8	104.4	BP × MB: p<0.001
Magnesium
BP (n=68)	45.7±13.0	42.6	48.9	BP × P: p=0.335
P (n=68)	42.2±10.6	39.7	44.8	P × MB: p=0.097
MB (n=72)	47.3±18.0	43.0	51.5	BP × MB: p=0.797
Sodium
BP (n=68)	337.7±317.9	260.8	414.7	BP × P: p=0.532
P (n=68)	275.1±261.3	211.8	338.3	P × MB: p<0.001
MB (n=72)	704.0±417.5	605.9	802.1	BP × MB: p<0.001
Potassium
BP (n=68)	580.8±177.1	538.0	623.7	BP × P: p<0.001
P (n=68)	470.9±109.4	444.4	497.4	P × MB: p=0.153
MB (n=72)	515.7±133.0	484.4	546.9	BP × MB: p=0.020

AP: before pasteurization; P: after pasteurization; MB: milk bank; SD: standard deviation; 95%CI: 95% confidence interval.