Clinical features, diagnosis, and treatment of Peutz-Jeghers syndrome: Experience with 566 Chinese cases

Table 1 General data of 566 patients with Peutz-Jeghers syndrome

General data	Classification	Cases	Percentage (%)
Gender	Male	313	55.3
	Female	253	44.7
Ethnic distribution	Han nationality	539	95.4
	Manchu	11	1.9
	Hui nationality	7	1.2
	Mongolian	4	0.7
	Tibetan	2	0.4
	Tujia nationality	1	0.2
	Zhuang nationality	1	0.2
	She minority	1	0.2
Family history of PJS	Yes	330	58.3
	No	236	41.7
ABO blood group	A	149	27.1
	B	175	31.8
	O	167	30.4
	AB	59	10.7
	Deletion	16	2.8
Rh blood group	Rh+	530	97.2
	Rh—	0	0
	Deletion	16	2.8
Marital history	Unmarried	330	58.3
	Married	236	41.7
Offspring inheritance	Yes	77	42.1
	No	106	57.9

PJS: Peutz-Jeghers syndrome.