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Table 3 Postoperative Hb and RBC transfusions data for the patients under study according to treatment group

From: Laparoscopic surgery does not reduce the need for red blood cell transfusion after resection for colorectal tumour: a propensity score match study on 728 patients

 

Open resection

n = 364

Laparoscopic resection

n = 364

P

Postoperative RBC transfusions

56 (15.4)

47 (12.9)

0.395

Number of postop. RBC units, total

199

174

 

Number of postop. RBC units, mean ± SD

 All patients

0.6 ± 1.8

0.5 ± 1.8

0.608

 Transfused patients only

3.6 ± 3.4

3.7 ± 3.5

0.828

Number of postop. RBC units

0.615

 Two or less

37 (10.2)

30 (8.2)

 

 Three or more

19 (5.2)

17 (4.7)

 

Postop. Hb drop, g/dL, mean ± SD

2.6 ± 1.4

2.4 ± 1.4

0.129

Minimum postop. Hb level, g/dL, mean ± SD

10.8 ± 1.7

10.9 ± 1.7

0.355

  1. Numbers in parentheses are percentages unless specified otherwise
  2. SD standard deviation