Table 1 Differences in characteristics between the without amputation group and the amputation group.

From: Analysis of clinical characteristics in patients with diabetic foot ulcers undergoing amputation and establishment of a nomogram prediction model

Variables

Amputation(n = 72)

No amputation(n = 72)

T/Z value

p value

Age(years)

62.75 ± 11.338

58.11 ± 12.276

0.506

0.020

Gender (male/female)

51/21

56/16

0.909

0.223

BMI (kg/m2 )

22.304 ± 2.596

22.394 ± 2.779

1.741

0.842

Course of DM (years)

11.258 ± 8.1795

9.432 ± 5.8379

7.268

0.125

Complication

31/41

23/49

1.896

0.228

Wagner grades for DFU

  

43.585

< 0.005

Wagner grade 2

3

22

  

Wagner grade 3

34

47

  

Wagner grade 4

31

3

  

Wagner grade 5

4

0

  

Smoking

11/61

18/54

2.116

0.212

Drinking

6/66

8/64

0.316

0.780

PAD

47/25

27/45

11.120

0.001

CKD

  

10.747

0.03

Stage 1 (GFR ≥ 90)

18

26

  

Stage 2 (60≤GFR≤89)

19

24

  

Stage 3 (30≤GFR≤59)

23

13

  

Stage 4 (15≤GFR≤29)

1

5

  

Stage 5 (GFR<15)

11

4

  

WBC

13.158 ± 6.705

9.267 ± 4.880

5.114

< 0.005

N%

79.626 ± 9.842

70.667 ± 11.975

2.615

< 0.005

Hemoglobin

98.40 ± 21.064

109.43 ± 20.784

0.048

0.002

Platelet

282.54 ± 99.372

320.92 ± 113.734

0.795

0.033

CRP

102.71 ± 68.942

58.335 ± 71.025

0.039

< 0.005

ESR

80.06 ± 34.292

57.5 ± 35.198

0.273

< 0.005

ALB

29.511 ± 5.474

33.060 ± 6.853

0.457

0.001

BUA(mmol/l)

322.731 ± 125.16

308.240 ± 101.286

1.010

0.446

Number of BSA

29.15 ± 10.145

15.57 ± 6.340

16.352

< 0.005

Barther index

65.50 ± 19.94

76.74 ± 18.08

0.033

0.857

Osteomyelitis

40/32

30/42

0.113

0.866

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