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Table 1 Patient demographics, tumor characteristics and surgical procedures

From: Outcomes of colorectal cancer surgery in the nonagenarians: 20-year result from a tertiary center

 

n

%

Sex

 Male

20

35.1

 Female

37

64.9

ASA

 2

24

42.1

 3

30

52.6

 4

3

5.3

ECOG

 2

21

36.8

 3

28

49.1

 4

8

14.0

Tumor location

 Colon

38

66.7

 Rectum

19

33.3

Stage^

 1

4

7.0

 2

23

40.4

 3

20

35.1

 4

6

10.5

 Unknown

4

7.0

Procedures

 Right / extended right hemicolectomy / transverse colectomy

25

43.9

 Hartmann’s procedure

9

15.8

 Left hemicolectomy / sigmoidectomy / anterior resections

8

14.0

 Low anterior resection

7

12.3

 Subtotal colectomy

3

5.3

 Diversion stoma

3

5.3

 Bypass

2

3.5

  1. ^According to the 8th American Joint Committee on Cancer (AJCC) staging classification