Table 1

Patient demographics by polyp size

Polyp Size

0 - 5 mm

> 5 - 9 mm

> 9 - 15 mm

> 15 mm

Total

n

(%)

n

(%)

N

(%)

n

(%)

n


All Subjects

48947

(59.2)

19422

(23.5)

11240

(13.6)

3032

( 3.7)

82641

Age

< 50

3097

(63.4)

1073

(22.0)

587

(12.0)

125

( 2.6)

4882

50-59

22859

(61.8)

8433

(22.8)

4613

(12.5)

1081

( 2.9)

36986

60-69

14913

(57.3)

6259

(24.1)

3809

(14.6)

1035

( 4.0)

26016

70-79

6991

(55.0)

3149

(24.8)

1905

(15.0)

658

( 5.2)

12703

80+

1087

(52.9)

508

(24.7)

326

(15.9)

133

( 6.5)

2054

Gender

Male

28002

(57.9)

11502

(23.8)

6982

(14.4)

1909

( 2.3)

48395

Female

20945

(61.2)

7920

(23.1)

4258

(12.4)

1123

( 3.3)

34246

Site

Academic

4864

(64.4)

1506

(19.9)

928

(12.3)

257

( 3.4)

7555

Community/HMO

38503

(58.4)

15909

(24.1)

9019

(13.7)

2491

( 3.8)

65922

VA/Military

5580

(60.9)

2007

(21.9)

1293

(14.1)

284

( 3.1)

9164

Race

White

46601

(59.5)

18436

(23.5)

10506

(13.4)

2809

( 3.6)

78352

Black

2346

(54.7)

986

(23.0)

734

(17.1)

223

( 5.2)

4289

Location

Proximal Colon

20013

(55.6)

9266

(25.7)

5198

(14.4)

1524

( 4.2)

36001

Distal Colon and, Rectum

28934

(62.0)

10156

(21.8)

6042

(13.0)

1508

( 3.2)

46640

Number of polyps

Single

38027

(69.1)

10676

(19.4)

5057

( 9.2)

1295

( 2.4)

55055

Multiple

10920

(39.6)

8746

(31.7)

6183

(22.4)

1737

( 6.3)

27586

Family history

Negative

37015

(59.1)

14669

(23.4)

8642

(13.8)

2322

( 3.7)

62648

Positive

11932

(59.7)

4753

(23.8)

2598

(13.0)

710

( 3.6)

19993


*Numbers in brackets = percent of row total.

Lowenfels et al. BMC Gastroenterology 2011 11:101   doi:10.1186/1471-230X-11-101

Open Data