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Table 2 Contrast of the values of the tested salivary variables with reference standards of normality.

From: Salivary flow rate, pH, and concentrations of calcium, phosphate, and sIgA in Brazilian pregnant and non-pregnant women

Variable

Minimum

Maximum

Mean

95% Confidence interval

Normal reference values

Pregnant (n = 22)

     

Flow rate (mL/min)

0.12

1.73

0.59

[0.43–0.75]

0.1 – 0.5*

PH

5.9

7.6

6.7

[6.5–6.9]

5.5 – 7.4**

Calcium (mmol/L)

0.5

1.8

1.1

[0.9–1.2]

0.5 – 2.7 *

Phosphate (mmol/L)

2.4

9.1

5.6

[4.8–6.5]

1.9 – 22.9 *

sIgA (mg/L)

12.0

185.0

118.9

[98.0–139.7]

60 – 300 ***

Non-Pregnant (n = 22)

     

Flow rate (mL/min)

0.20

1.53

0.64

[0.50–0.78]

0.1 – 0.5 *

PH

6.6

8.0

7.5

[7.3–7.6]

5.5 – 7.4**

Calcium (mmol/L)

0.4

1.8

0.9

[0.8–1.1]

0.5 – 2.7 *

Phosphate (mmol/L)

2.6

12.7

5.6

[4.6–6.7]

1.9 – 22.9 *

sIgA (mg/L)

34.0

173.0

90.1

[74.6–105.6]

60 – 300 ***

  1. *Edgar (1992); **Thylstrup & Fejerkov (1994); ***Dade Behring®