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Table 1 Characteristics of patients with DVT group and non-DVT group

From: Establishment and validation of a nomogram predicting the risk of deep vein thrombosis before total knee arthroplasty

Characteristics

DVT group

Non-DVT group

p value

Age

66.96 ± 7.57

68.14 ± 6.26

0.342

BMI

24.95 ± 2.75

26.08 ± 3.46

0.091

High blood pressure

  

0.878

 Yes

14 (50%)

241 (51.5%)

 

 No

14 (50%)

227 (48.5%)

 

Diabetes mellitus

  

0.770

 Yes

4 (14.3%)

59 (12.6%)

 

 No

24 (85.7%)

409 (87.4%)

 

Coronary heart disease

  

1

 Yes

1 (3.6%)

32 (6.8%)

 

 No

27 (96.4%)

436 (93.2%)

 

White blood cell

  

0.108

 Abnormal

3 (10.7%)

18 (3.8%)

 

 Normal

25 (89.3%)

450 (96.2%)

 

Red blood cell

  

0.598

 Abnormal

11 (39.3%)

161 (34.4%)

 

 Normal

17 (60.7%)

307 (65.6%)

 

Hematocrit

  

0.182

 Abnormal

14 (50%)

175 (37.4%)

 

 Normal

14 (50%)

293 (62.6%)

 

Mean Corpuscular Volume

  

0.335

 Abnormal

2 (7.1%)

19 (4.1%)

 

 Normal

26 (92.9%)

449 (95.9%)

 

Mean corpuscular hemoglobin

  

0.623

 Abnormal

0 (0%)

21 (4.5%)

 

 Normal

28 (100%)

447 (95.5%)

 

Mean corpuscular hemoglobin concentration

  

1

 Abnormal

2 (7.1%)

44 (9.4%)

 

 Normal

26 (92.9%)

424 (90.6%)

 

Red blood cell volume distribution width SD

  

0.436

 Abnormal

7 (25%)

89 (19%)

 

 Normal

21 (75%)

379 (81%)

 

Red blood cell volume distribution width CV

  

0.606

 Abnormal

6 (21.4%)

80 (17.1%)

 

 Normal

22 (78.6%)

388 (82.9%)

 

Platelet

  

0.220

 Abnormal

3 (10.7%)

26 (5.6%)

 

 Normal

25 (89.3%)

442 (94.4%)

 

Platelet crit

  

0.003

 Abnormal

11 (39.3%)

80 (17.1%)

 

 Normal

17 (60.7%)

388 (82.9%)

 

Mean Platelet Volume

  

0.381

Characteristics

DVT group

Non-DVT group

p value

 Abnormal

5 (17.9%)

118 (25.2%)

 

 Normal

23 (82.1%)

350 (74.8%)

 

Platelet-larger cell ratio

  

0.634

 Abnormal

8 (28.6%)

115 (24.6%)

 

 Normal

20 (71.4%)

353 (75.4%)

 

Platelet distribution width

  

0.014

 Abnormal

8 (28.6%)

246 (52.6%)

 

 Normal

20 (71.4%)

222 (47.4%)

 

Neutrophil

  

0.029

 Abnormal

4 (14.3%)

18 (3.8%)

 

 Normal

24 (85.7%)

450 (96.2%)

 

Lymphocyte

  

1

 Abnormal

3 (10.7%)

50 (10.7%)

 

 Normal

25 (89.3%)

418 (89.3%)

 

Monocyte

  

1

 Abnormal

3 (10.7%)

56 (12%)

 

 Normal

25 (89.3%)

412 (88.0%)

 

Eosinophils

  

0.659

 Abnormal

2 (7.4%)

25 (5.3%)

 

 Normal

26 (92.9%)

443 (94.7%)

 

Basophil

  

0.214

 ≥ 0.06

5 (17.9%)

49 (10.5%)

 

 <0.06

23 (82.1%)

419 (89.5%)

 

Neutrophil%

  

0.161

 Abnormal

3 (10.7%)

22 (4.7%)

 

 Normal

25 (89.3%)

446 (95.3%)

 

Lymphocyte%

  

0.102

 Abnormal

6 (21.4%)

46 (9.8%)

 

 Normal

22 (78.6%)

422 (90.2%)

 

Monocyte%

  

0.071

 Abnormal

5 (17.9%)

36 (7.7%)

 

 Normal

23 (82.1%)

432 (92.3%)

 

Eosinophils%

  

0.709

 Abnormal

2 (7.1%)

31 (6.6%)

 

 Normal

26 (92.9%)

437 (93.4%)

 

Basophil%

  

0.283

 ≥ 1

4 (14.3%)

38 (8.1%)

 

 <1

24 (85.7%)

430 (91.9%)

 

Alanine amino transferase

  

0.054

 Abnormal

5 (17.9%)

33 (7.1%)

 

 Normal

23 (82.1%)

435 (92.9%)

 

Aspartate amino transferase

  

0.008

 Abnormal

7 (25%)

37 (7.9%)

 

Characteristics

DVT group

Non-DVT group

p value

 Normal

21 (75%)

431 (92.1%)

 

AST/ALT

  

1

 Abnormal

0 (0%)

8 (1.7%)

 

 Normal

28 (100%)

460 (98.3%)

 

Total bilirubin

  

0.619

 >21

0 (0%)

20 (4.3%)

 

 ≤ 21

28 (100%)

448 (95.7%)

 

Direct bilirubin

  

0.292

 >4

2 (10.5%)

17 (89.5%)

 

 ≤ 4

26 (92.9%)

451 (96.4%)

 

Indirect bilirubin

  

0.387

 Abnormal

0 (0%)

26 (5.6%)

 

 Normal

28 (100%)

442 (94.4%)

 

Total protein

  

0.030

 Abnormal

9 (32.1%)

71 (15.2%)

 

 Normal

19 (67.9%)

397 (84.8%)

 

Serum albumin

  

0.216

 Abnormal

15 (53.6%)

195 (41.7%)

 

 Normal

13 (46.4%)

273 (58.3%)

 

A/G

  

0.964

 Abnormal

6 (21.4%)

102 (21.8%)

 

 Normal

22 (78.6%)

366 (78.2%)

 

Blood Urea Nitrogen

  

1

 Abnormal

4 (14.3%)

80 (17.1%)

 

 Normal

24 (85.7%)

388 (82.9%)

 

Creatinine

  

0.177

 Abnormal

3 (10.7%)

100 (21.4%)

 

 Normal

25 (89.3%)

368 (78.6%)

 

K

  

1

 Abnormal

3 (10.7%)

52 (11.1%)

 

 Normal

25 (89.3%)

416 (88.9%)

 

Na

  

1

 Abnormal

2 (7.1%)

32 (6.8%)

 

 Normal

26 (92.9%)

436 (93.2%)

 

CL

  

0.283

 Abnormal

4 (14.3%)

38 (8.1%)

 

 Normal

24 (85.7%)

430 (91.9%)

 

Ca

  

0.475

 Abnormal

3 (10.7%)

36 (7.7%)

 

 Normal

25 (89.3%)

432 (92.3%)

 

Procalcitonin

  

0.000

 ≥ 0.51

12 (42.9%)

24 (5.1%)

 

 <0.51

16 (57.1%)

444 (94.9%)

 

Characteristics

DVT group

Non-DVT group

p value

PT

  

0.000

 Abnormal

15 (53.6%)

55 (11.8%)

 

 Normal

13 (46.4%)

413 (88.2%)

 

INR

  

1

 Abnormal

0 (0%)

4 (0.9%)

 

 Normal

28 (100%)

464 (99.1%)

 

PT%

  

1

 Abnormal

1 (3.8%)

18 (3.8%)

 

 Normal

27 (96.4%)

450 (96.2%)

 

FIB

  

1

 Abnormal

2 (7.1%)

43 (9.2%)

 

 Normal

26 (92.9%)

425 (90.8%)

 

APTT

  

0.007

 Abnormal

4 (14.3%)

11 (2.4%)

 

 Normal

24 (85.7%)

457 (97.6%)

 

TT

  

1

 Abnormal

0 (0%)

11 (2.4%)

 

 Normal

28 (100%)

457 (97.6%)

 

D-Dimer

  

0.000

 ≥ 0.55

18 (64.3%)

121 (25.9%)

 

 <0.55

10 (35.7%)

347 (74.1%)

 

C reactive protein

  

0.574

 ≥ 5

5 (17.9%)

65 (13.9%)

 

 <5

23 (82.1%)

403 (86.1%)

 
  1. Abbreviations: BMI: Body mass index, ALT: Alanine amino transferase, AST: Aspartate amino transferase, PT: Prothrombin time, INR: International normalized ratio, FIB: Fibrinogen, APTT: Activated partial thromboplastin time, TT: Thrombin time