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Table 2 Intraoperative and postoperative outcomes of non-elderly and elderly patients after resection with primary anastomosis for left-sided colorectal cancer

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

E group (> 75 years); n = 162

p value

Type of surgery; n (%)

Sigmoid resection

214 (29.0%)

43 (26.5%)

0.565

Rectal resection

524 (71.0%)

119 (73.5%)

Approach of surgery; n (%)

Open

349 (47.3%)

93 (57.4%)

0.024

Minimally invasive

389 (52.7%)

69 (42.6%)

Operation time, minutes (mean ± SD)

147 ± 60

150 ± 67

0.190

Blood loss, ml (median; Q1, Q3)

50 (Q1: 50; Q3: 100)

100 (Q1: 50; Q3: 162)

0.522

Anastomosis level from anal verge; n (%)

≤5 cm

145 (23.7%)

29 (22.3%)

0.860

6–12 cm

239 (39.0%)

54 (41.5%)

> 12 cm

229 (37.3%)

47 (36.2%)

Diverting ileostomy; n (%)

Yes

302 (40.9%)

72 (44.4%)

0.429

No

436 (59.1%)

90 (55.6%)

Postoperative hospitalization; days (mean ± SD)

10 ± 6

13 ± 11

0.001

Retrieved lymph nodes; n (%)

< 12

130 (17.6%)

18 (11.1%)

0.046

≥12

608 (82.4%)

144 (88.9%)

Postoperative complications; n (%)

Yes

219 (29.7%)

60 (37.0%)

0.066

No

519 (70.3%)

102 (63.0%)

Severe complications by Clavien-Dindo score III-V; n (%)

73 (9.8%)

25 (15.4%)

0.040

30-day mortality; n (%)

7 (0.9%)

5 (3.1%)

0.048

90-day mortality; n (%)

12 (1.6%)

12 (7.4%)

0.001