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

Table 2 Clinical data of 566 patients with Peutz-Jeghers syndrome

Clinical data	Median	(P25, P75)	Extreme value
First treatment age	15	(9, 22)	0.5, 60
Follow-up age	26	(18, 34)	4, 65
Age of appearance of mucocutaneous pigmentation	2	(1, 4)	0, 33
Interval time between age of mucocutaneous pigmentation and occurrence of gastrointestinal symptoms	10	(5.5, 18)	0, 58
Gastric polyp burden	2	(1, 5)	1, 100
Maximum diameter of gastric polyps (mm)	8	(5, 15)	2, 80
Small intestinal polyp burden	3	(2, 8)	1, 100
Maximum diameter of small intestinal polyps (mm)	40	(25, 50)	1, 160
Colorectal polyps burden	2	(1, 5)	1, 100
Maximum diameter of colorectal polyps (mm)	30	(15, 45)	1, 120
Cumulative hospitalizations	2	(1, 3)	1, 11
Number of operations	1	(0, 2)	0, 7
Frequency of small intestinal enteroscopic examinations	2	(1, 3)	0, 12
Frequency of gastroenterographic examinations	1	(0, 2)	0, 16
Frequency of colonoscopic examinations	1	(0, 2)	0, 16