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Table 2 Univariate analysis of perioperative variables

From: Predictive risk factors for anastomotic leakage after anterior resection of rectal cancer in elderly patients over 80 years old: an analysis of 288 consecutive patients

Factors

Anastomotic leakage (+)

n = 30

Anastomotic leakage (−)

n = 258

Total

n = 288

P

Preoperative WBC (109/L, mean ± SD)

5.8 ± 2.2

5.3 ± 1.8

5.6 ± 2.3

0.92

Preoperative PLT (109/L, mean ± SD)

279.5 ± 110.7

252.4 ± 71.3

265 ± 98.8

0.833

Preoperative albumin (g/L, mean ± SD)

35.2 ± 4.6

38.9 ± 4.6

37.7 ± 4.4

0.067

Preoperative CRP (mg/L, mean ± SD)

0.63 ± 1.3

0.75 ± 1.1

0.69 ± 0.9

0.782

Preoperative HGB (g/L, mean ± SD)

122.9 ± 17.1

128.3 ± 17.6

124.9 ± 17.2

0.226

Neoadjuvant therapy

15 (50.0)

72 (27.9)

87 (30.2)

0.013

Postoperative application of albumin

16 (53.3)

110 (42.6)

126 (43.8)

0.264

Postoperative TPN starting time

   

0.158

 ≤ 24 h

16 (53.3)

103 (39.9)

119 (41.3)

 

 > 24 h

14 (46.7)

155 (60.1)

169 (58.7)

 

Time to oral feeding (day, mean ± SD)

5.4 ± 2.3

5.4 ± 2.7

5.4 ± 2.5

0.915

Time to first flatus (day, mean ± SD)

5.8 ± 4.3

5.3 ± 2.3

5.5 ± 2.7

0.369

Postoperative hospital stay (day, mean ± SD)

20.3 ± 8.2

11.1 ± 4.6

11.6 ± 6.7

< 0.001

  1. WBC white blood cell, PLT platelet, CRP c-reaction protein, TPN total parenteral nutrition, SD standard deviation