Table 2 Comparison of salivary parameters between the iNS and control participants

Salivary parameters

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Flow rate (ml/min)

0.41 ± 0.26

0.48 ± 0.30

0.44 ± 0.27

0.46 ± 0.19

pH

7.27 ± 0.71

7.28 ± 0.70

7.28 ± 0.70

7.50 ± 0.50

Buffer capacity (mmol/L)

6.67 ± 5.83

4.95 ± 2.87

5.90 ± 4.78

4.56 ± 2.45

Total protein (mg/ml)

1.09 ± 0.62

1.24 ± 0.47

1.16 ± 0.56

1.00 ± 0.47

α-amylase (J/ml)

114.7 ± 135.1

95.4 ± 36.6

106.10 ± 103.00

113.36 ± 82.00

Peroxidase (mIU/ml)

0.45 ± 0.50^e

0.66 ± 0.44^e,g

0.54 ± 0.48

0.46 ± 0.31 ^g

Calcium (mg/dL)

3.27 ± 1.52

2.93 ± 1.7

3.12 ± 1.45

3.38 ± 2.15

Magnesium (mg/dL)

0.50 ± 0.38^f

0.31 ± 0.26^f,h

0.41 ± 0.34^a

0.60 ± 0.38^a,h

Inorganic phosphate (mg/dL)

10.34 ± 3.68

11.71 ± 3.50

10.95 ± 3.63

10.33 ± 3.86

Fluoride (ppm)

0.15 ± 0.11ⁱ

0.15 ± 0.09 ^k

0.15 ± 0.10^b

0.21 ± 0.10^b,i,k

Urea (mg/dL)

33.57 ± 16.36 ^l

37.18 ± 14.64 ^m

35.19 ± 15.55^c

25.21 ± 10.78^c,l,m,

Uric acid (mg/dL)

2.64 ± 1.09ⁿ

3.24 ± 1.34^o

2.90 ± 1.23^d

2.34 ± 1.04^d,n,o