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Table 1 Patients’ characteristics

From: Performance of age-adjusted D-dimer values for predicting DVT before the knee and hip arthroplasty

 

Total patients

Patients with DVT

Patients without DVT

p value

Patient (n)

406

39

367

-

Sex (male/female)

118/288

9/30

109/258

0.386

Age (years)

65.4 ± 8.4

69.8 ± 6.9

65.0 ± 8.5

< 0.001

Body weight (kg)

66.0 ± 10.8

67.5 ± 11.6

65.7 ± 10.7

0.316

Body height (cm)

161.4 ± 7.0

160.5 ± 6.3

161.5 ± 7.0

0.307

BMI (kg/m2)

25.3 ± 3.9

27.2 ± 3.2

25.0 ± 3.9

0.201

Preoperative D-dimer (μg/ml)

0.45(0.25,0.84)

0.91(0.61,1.12)

0.66(0.32,0.98)

0.045

APTT (s)

28.1 ± 3.8

28.1 ± 4.6

28.1 ± 3.7

0.968

PT (s)

12.0 ± 0.9

12.0 ± 0.8

12.0 ± 0.9

0.865

INR

1.04 ± 0.08

1.04 ± 0.07

1.04 ± 0.08

0.927

Platelet count (109/L)

206.9 ± 61.7

194.8 ± 55.8

208.2 ± 62.2

0.193

Hb (g/L)

128.7 ± 18.4

126.1 ± 12.0

129.0 ± 18.9

0.091

  1. DVT deep vein thrombosis, BMI body mass index, APTT activated partial thromboplastin time, PT prothrombin time, INR international normalized ratio, Hb hemoglobin