Table 1 Demographic characteristics and clinical findings by collection site

Cases

1620 (100)

643 (39.7)

774 (47.8)

101 (6.2)

102 (6.3)

 Males

902 (55.7)

367 (57.1)

435 (56.2)

59 (58.4)

41 (40.2)^a

 Median age (min–max)

63.0 years (18.1–88.0)

62.6 years (18.1–85.4)

64.3 years (50.0–75.8)

62.0 years (37.0–88.0)

56.5 years^a (34.0–86.0)

Cancer

184 (11.4)

27 (14.7)

91 (49.5)

17 (9.2)

49 (26.6)

 Males

97 (52.7)

14 (51.9)

52 (57.1)

10 (58.8)

21 (42.9)

 Median age (min–max)

67.2 years (35.0–88.0)

66.2 years (45.7–81.1)

68.7 years (50.1–75.2)

70.0 years (37.0–88.0)

62.0 years^a (35.0–86.0)

 Stage I

41 (22)

7 (17.1)

20 (48.8)

3 (7.3)

11 (26.8)

 Stage II

57 (31)

9 (15.8)

20 (35.1)

7 (12.3)

21 (36.8)

 Stage III

51 (28)

5 (9.8)

35 (68.6)

4 (7.8)

7 (13.7)

 Stage IV

33 (18)

6 (18.2)

16 (48.5)

3 (9.1)

8 (24.2)

 Unstaged

2 (1%)

0 (–)

0 (–)

0 (–)

2 (100)

Adenoma

616 (38.0)

332 (53.9)

197 (32.0)

52 (8.4)

35 (5.7)

 Males

387 (62.8)

207 (62.3)

131 (66.5)

33 (63.5)

16 (45.7)^a

 Median age (min–max)

63.5 years (33.7–85.4)

64.1 years (33.7–85.4)

64.1 years (50.0–75.8)

62.4 years (51.0–75.0)

56.1 years^a (34.0–82.0)

 Advanced

337 (54.7)

147 (44.3)

149 (75.6)

38 (73.1)

3 (8.6)

 Non-advanced

279 (45.3)

185 (55.7)

48 (24.4)

14 (26.9)

32 (91.4)

 HGD^b

35 (5.7)

15 (4.5)

18 (9.1)

2 (3.8)

0 (0)

 LGD^b

549 (89.1)

317 (95.5)

179 (90.9)

18 (34.6)

35 (100)

No neoplasia

820 (50.6%)

284 (34.6)

486 (59.3)

32 (3.9)

18 (2.2)

 Males

418 (51.0)

146 (51.4)

252 (51.9)

16 (50.0)

4 (22.2)^a

 Median age (min–max)

60.0 years (18.0–85.0)

56.7 years (18.0–85.0)

62.2 years (50.0–75.0)

61.6 years (52.0–75.0)

47.5 years^a (36.0–59.0)