Table 3 Size of submandibular stones (616 stones)

Total stone

5.23 ± 3.05

6.51 ± 4.00

6.07 ± 3.42

30.59 ± 38.15

200.57 ± 437.88

Site

 Superficial

4.40 ± 2.73

5.79 ± 3.91

4.94 ± 2.56

20.00 ± 21.93

111.84 ± 211.93

 Deep

6.30 ± 3.11

7.46 ± 3.93

7.54 ± 3.83

44.43 ± 48.95

316.55 ± 600.60

 P-value

0.000^*

0.002^*

0.000^*

0.000^*

0.000^*