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Table 1 Patient basic characteristics

From: Predictive values of the postoperative neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and lymphocyte-to-monocyte ratio for the diagnosis of early periprosthetic joint infections: a preliminary study

 

PJI group (N = 26)

Non-PJI group (N = 78)

t/χ2

P value

Age (years)

65.47 ± 10.23

62.15 ± 9.33

1.53

0.13

Male (% total)

14 (53.8%)

40 (51.3%)

0.39

0.53

BMI (kg/m2)

24.15 ± 2.37

23.32 ± 2.75

1.38

0.17

White blood cell (WBC × 109)

6.32 ± 1.66

6.61 ± 2.12

0.63

0.53

Neutrophil count (NE × 109)

3.75 ± 1.18

3.84 ± 2.08

0.21

0.83

Lymphocyte count (LM × 109)

1.72 ± 0.57

1.82 ± 0.63

0.71

0.48

Monocyte counts (MO × 109)

0.45 ± 0.20

0.46 ± 0.35

0.14

0.89

Platelet count

220.83 ± 56.96

214.18 ± 61.69

0.48

0.63

ESR (mm/h)

18.13 ± 14.88

15.62 ± 12.96

0.82

0.41

CRP (mg/L)

9.27 ± 15.41

7.10 ± 10.93

0.79

0.43

NLR

2.17 ± 0.40

2.11 ± 0.43

0.42

0.68

PLR

129.10 ± 51.68

114.42 ± 35.83

1.34

0.18

LMR

3.88 ± 1.60

3.96 ± 1.59

0.22

0.82

  1. PJI periprosthetic joint infection, BMI body mass index, ESR erythrocyte sedimentation rate, CRP C-reactive protein, NLR neutrophil-to-lymphocyte ratio, PLR platelet-lymphocyte ratio, LMR lymphocyte-monocyte ratio