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Table 1 Baseline clinical characteristics of non-elderly and elderly patients

From: Short and long-term outcomes of elderly patients undergoing left-sided colorectal resection with primary anastomosis for cancer

  

NE group (≤75 years); n = 738

Missing data; n (%)

E group (> 75 years); n = 162

Missing data; n (%)

p value

BMI; n (%)

< 30

496 (71.2%)

41 (5.8%)

128 (84.2%)

10 (6.2%)

0.001

≥30

201 (28.8%)

24 (15.8%)

Gender; n (%)

Female

344 (46.6%)

0 (0%)

73 (45.1%)

0 (0%)

0.729

Male

394 (53.4%)

89 (54.9%)

ASA; n (%)

I-II

535 (76.0%)

34 (4.6%)

55 (35.7%)

8 (4.9%)

0.001

III-IV

169 (24.0%)

99 (64.3%)

CCI; n (%)

≤5

603 (81.7%)

0 (0%)

47 (29.0%)

0 (0%)

0.001

> 5

135 (18.3%)

115 (71.0%)

Ischemic heart disease; n (%)

Yes

26 (3.5%)

0 (0%)

17 (10.5%)

0 (0%)

0.001

No

712 (96.5%)

145 (89.5%)

Diabetes mellitus; n (%)

Yes

71 (9.6%)

0 (0%)

24 (14.8%)

0 (0%)

0.065

No

667 (90.4%)

138 (85.2%)

Cerebrovascular disease; n (%)

Yes

18 (2.4%)

0 (0%)

9 (5.6%)

0 (0%)

0.043

No

720 (97.6%)

153 (94.4%)

Chronic kidney failure; n (%)

Yes

9 (1.2%)

0 (0%)

4 (2.5%)

0 (0%)

0.267

No

729 (98.8%)

158 (97.5%)

Neoadjuvant treatment; n (%)

Yes

163 (22.1%)

0 (0%)

29 (17.9%)

0 (0%)

0.289

No

575 (77.9%)

133 (82.1%)

Specimen length, cm (Mean ± SD)

19 ± 8

22 (2.9%)

21 ± 6

4 (2.4%)

0.436

Proximal end, cm (Mean ± SD)

13 ± 7

27 (3.6%)

13 ± 6

5 (3.0%)

0.346

Distal end, cm (Mean ± SD)

4 ± 3

26 (3.5%)

4 ± 4

5 (3.0%)

0.109

T; n (%)

T0–2

271 (36.7%)

0 (0%)

30 (18.5%)

0 (0%)

0.001

T3–4

467 (63.3%)

132 (81.5%)

N; n (%)

N0

449 (61.8%)

12 (1.6%)

92 (57.1%)

1 (0.6%)

0.284

N+

277 (38.2%)

69 (42.9%)

M; n (%)

M0

666 (90.2%)

0 (0%)

144 (88.9%)

0 (0%)

0.566

M1

72 (9.8%)

18 (11.1%)

Stage; n (%)

0

11 (1.5%)

0 (0%)

1 (0.6%)

0 (0%)

0.002

I

203 (27.5%)

23 (14.2%)

II

205 (27.8%)

64 (39.5%)

III

246 (33.3%)

56 (34.6%)

IV

73 (9.9%)

18 (1.1%)