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Table 3 Relationships between all complications and clinical factors in patients with acute appendicitis

From: Preoperative neutrophil-to-lymphocyte ratio may contribute to the prediction of postoperative infectious complications in patients with acute appendicitis: a retrospective study

Variable

All complications

Univariate analysis

p valueb

Multivariate analysis

p valueb

 + 

−

OR (95% CI)

OR (95% CI)

Sex, male/female

18/10

93/60

0.861 (0.372−1.991)

0.727

  

Age, < 49/ ≥ 49 years

8/20

101/52

4.856 (2.003−11.772)

 < 0.001a

3.672 (0.743−18.134)

0.110

BMI, < 23.1/ ≥ 23.1 kg/m2

12/16

101/52

2.590 (1.141−5.879)

0.023a

3.623 (1.116−11.757)

0.032a

ASA-PS classification, IE/IIE/IIIE

5/22/1

67/81/5

2.486 (1.137−5.437)

0.023a

0.387 (0.080−1.864)

0.236

pBT, < 37.3/ ≥ 37.3 °C

8/20

84/69

3.043 (1.263−7.334)

0.013a

2.351 (0.732−7.545)

0.151

pWBC, < 12.8/ ≥ 12.8 × 109/L

14/14

67/86

0.779 (0.348−1.746)

0.544

  

pPLT, < 254/ ≥ 254 × 109/L

14/14

96/57

1.684 (0.749−3.786)

0.207

  

pNLR, < 11.3/ ≥ 11.3

9/19

94/59

3.363 (1.427−7.927)

0.006a

4.223 (1.335−13.352)

0.014a

pPLR, < 212.2/ ≥ 212.2

11/17

89/64

2.149 (0.943−4.897)

0.069

  

pCRP, < 89.4/ ≥ 89.4 mg/L

11/17

119/34

5.409 (2.315−12.640)

 < 0.001a

1.108 (0.346−3.551)

0.863

Maximum diameter of the appendix, < 10.0/ ≥ 10.0 mm

10/18

82/71

2.079 (0.901−4.795)

0.086

  

Fecalith (+ / −)

18/10

77/76

1.777 (0.770−4.097)

0.178

  

Periappendiceal effusion (+ /−)

25/3

99/54

4.545 (1.312−15.748)

0.017a

0.345 (0.053−2.252)

0.266

Periappendiceal abscess (+ /−)

5/23

8/145

3.940 (1.186−13.093)

0.025a

1.453 (0.264−7.989)

0.667

Ascites (+ / −)

10/18

25/128

2.844 (1.175−6.884)

0.020a

2.121 (0.607−7.411)

0.239

Time to operation, < 6/6−12/13−24/25−48 h

17/10/0/1

91/49/6/7

0.877 (0.501−1.538)

0.648

  

Type of appendectomy, open/laparoscopic

14/14

17/136

0.125 (0.051−0.306)

 < 0.001a

0.691 (0.055−8.744)

0.776

Operative time, < 60/ ≥ 60 min

7/21

112/41

8.195 (3.242−20.713)

 < 0.001a

4.850 (1.410−16.682)

0.012a

Estimated blood loss, < 3/ ≥ 3 mL

13/15

129/24

6.202 (2.622−14.672)

 < 0.001a

1.590 (0.126−20.000)

0.720

Type of acute appendicitis, uncomplicated/complicated

4/24

89/64

8.344 (2.760−25.221)

 < 0.001a

4.590 (1.004−20.972)

0.049a

  1. Data are presented as n
  2. BMI, body mass index; ASA-PS, American Society of Anesthesiologists physical status; pBT, preoperative body temperature; pWBC, preoperative white blood cell count; pPLT, preoperative platelet count; pNLR, preoperative neutrophil-to-lymphocyte ratio; pPLR, preoperative platelet-to-lymphocyte ratio; pCRP, preoperative C-reactive protein level; OR, odds ratio; CI, confidence interval
  3. aStatistically significant. bLogistic regression
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