Table 4 The numbers and percentages of polymorphous low-grade adenocarcinomas in malignant minor salivary gland tumors by continent as described in the studies included in this review as described in the studies included in this review

178

2.6%

14

3.2%

7.9%

1,668

24.2%

115

26.7%

6.9%

3,702

53.7%

144

33.4%

3.9%

1,313

19.1%

152

35.3%

11.6%

30

0.4%

6

1.4%

20.0%

6,891

100.0

431

100.0

6.3