Table 2 Comparison of different parameters before treatment and at 3 months after treatment in patients with IgG4-RS

 Enlargement of SMG, n (%)

35

35 (100.0)

2 (5.7)

<0.001

 Enlargement of PG, n (%)

35

27 (77.1)

7 (20.0)

<0.001

 SXI

35

8.46 ± 2.44

6.14 ± 1.19

<0.001

 Whole saliva flow rate at rest (g/5 min)

35

0.84 ± 0.56

1.40 ± 0.76

<0.001

 Whole saliva flow rate after acid stimulation (g/5 min)

35

8.81 ± 3.65

10.96 ± 4.05

<0.001

 SI of PG (%)

23

51.10 ± 9.29

53.11 ± 9.04

0.321

 SI of SMG (%)

20

27.88 ± 8.58

37.58 ± 10.42

<0.001

Log₂ Serum IgG4 level (mg/L)

35

13.05 ± 1.19

11.06 ± 1.11

<0.001

 Volume of SMG (cm³)

30

13.54 ± 3.84

7.78 ± 2.69

<0.001

 CT value of SMG (HU)

30

37.83 ± 8.45

31.52 ± 5.87

0.001

 Volume of PG (cm³)

32

33.45 ± 10.06

30.56 ± 8.54

0.004

 CT value of PG (HU)

32

0.65 ± 18.66

-12.01 ± 13.09

<0.001