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Table 1 Basic and clinical data in the general population and subgroups according to VO and BMI categories

From: Impact of visceral obesity on infectious complications after resection for colorectal cancer: a retrospective cohort study

 

Total study population

(N = 520)

Low BMI

(N = 362)

High BMI

(N = 158)

P

value

Non-VO

(N = 183)

VO

(N = 337)

P

value

Age ≥ 65 years

256 (49.23)

184 (50.83)

72 (45.57)

0.270

72 (39.34)

184 (54.60)

0.001*

Gender (male)

213 (40.96)

150 (41.44)

63 (39.87)

0.739

88 (48.09)

125 (37.09)

0.015*

Smoking

80 (15.38)

59 (16.30)

21 (13.29)

0.382

22 (12.02)

58 (17.21)

0.117

Hypertension

164 (31.54)

101 (27.90)

63 (39.87)

0.007*

27 (14.75)

137 (40.65)

0.000*

Diabetes

65 (12.50)

39 (10.77)

26 (16.46)

0.072

9 (4.92)

56 (16.62)

0.000*

COPD

44 (8.46)

36 (9.94)

8 (5.06)

0.066

19 (10.38)

25 (7.42)

0.246

Coronary heart disease

56 (10.77)

37 (10.22)

19 (12.03)

0.542

10 (5.46)

46 (13.65)

0.004*

Cerebral infarction

73 (14.04)

51 (14.09)

22 (13.92)

0.960

13 (7.10)

60 (17.80)

0.001*

Fatty liver

27 (5.19)

10 (2.76)

17 (10.76)

0.000*

1 (0.55)

26 (7.72)

0.000*

Anemia

158 (30.38)

119 (32.87)

39 (24.68)

0.062

59 (32.24)

99 (29.38)

0.498

Low albumin

173 (33.27)

131 (36.19)

42 (26.58)

0.033*

67 (36.61)

106 (31.45)

0.233

Fasting blood glucose

5.31 (4.88, 5.81)

5.31 (4.80, 5.68)

5.38 (5.06,6.13)

0.000*

5.20 (4.71, 5.46)

5.31 (4.98, 6.04)

0.000*

WBC (×109 /L)

6.20 (5.10, 7.30)

6.00 (5.10, 7.10)

6.40 (5.30, 7.50)

0.110

5.90 (4.90, 7.05)

6.30 (5.20, 7.50)

0.077

Neutrophil (×109 /L)

3.78 (2.91, 4.76)

3.71 (2.92, 4.67)

3.86 (2.89, 4.92)

0.397

3.66 (2.94, 4.55)

3.85 (2.90, 4.85)

0.472

LMR

4.58 (3.48, 5.94)

4.41 (3.23, 5.90)

4.80 (3.85, 6.05)

0.009*

4.36 (3.30, 5.92)

4.63 (3.53, 5.94)

0.349

Operation time ≥ 4 h

174 (33.46)

108 (29.83)

66 (41.77)

0.008*

55 (30.05)

119 (35.31)

0.225

Surgical approach

   

0.687

  

0.146

Laparoscopy

463 (89.04)

321 (88.67)

142 (89.87)

 

158 (86.34)

305 (90.50)

 

Open

57 (10.96)

41 (11.33)

16 (10.13)

 

25 (13.66)

32 (9.50)

 

Perioperative blood infusion

76 (14.62)

57 (15.75)

19 (12.03)

0.269

29 (15.85)

47 (13.95)

0.558

Ostomy

165 (31.73)

109 (30.11)

56 (35.44)

0.230

55 (30.05)

110 (32.64)

0.545

Pathology

   

0.485

  

0.205

Adenocarcinoma

443 (85.19)

311 (85.91)

132 (83.54)

 

151 (82.51)

292 (86.65)

 

Nonadenocarcinoma

77 (14.81)

51 (14.01)

26 (16.46)

 

32 (17.49)

45 (13.35)

 

Tumor location

   

0.811

  

0.416

Rectum

246 (47.31)

170 (46.96)

76 (48.10)

 

91 (49.73)

155 (45.99)

 

Colon

274 (52.69)

192 (53.04)

82 (51.90)

 

92 (50.27)

182 (54.01)

 

Histologic type

   

0.006*

  

0.643

Low

119 (22.88)

95 (26.24)

24 (15.19)

 

44 (24.04)

75 (22.26)

 

Medium-high

401 (77.12)

267 (73.76)

134 (84.81)

 

139 (75.96)

262 (77.74)

 

Tumor diameter (Max)(cm)

4.50 (3.50, 6.00)

4.50 (3.65, 6.00)

4.50 (3.50, 5.90)

0.305

4.80 (4.00, 6.00)

4.50 (3.50, 5.60)

0.054

Pathological stage

   

0.398

  

0.005*

< II B stage

216 (41.54)

146 (40.33)

70 (44.30)

 

61 (33.33)

155 (45.99)

 

≥ II B stage

304 (58.46)

216 (59.67)

88 (55.70)

 

122 (66.67)

182 (54.01)

 
  1. Anemia, hemoglobin concentration < 120 g/L for men and < 110 g/L for women
  2. Low albumin, albumin < 40 g/L; BMI, body mass index; VO, visceral obesity, visceral fat area ≥ 100 cm2; High BMI, BMI ≥ 25 kg/m2; SFA, subcutaneous fat area; COPD, chronic obstructive pulmonary disease; LMR, lymphocyte to monocyte ratio
  3. Data are presented as numbers (%) or medians (interquartile range)
  4. *Compared with the low BMI group, P < 0.05
  5. *Compared with the non-VO group, P < 0.05
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Lipids in Health and Disease

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