Table 1 Patients’ demographic data.

From: Correlation of bone density to screw loosening in dynamic stabilization: an analysis of 176 patients

 

Loosening group

Non-loosening group

p value

Patient number

36

140

 

Age (years)

61.80 ± 11.59

62.57 ± 11.79

0.72

Gender (M/F)

21/15

69/71

0.33

Follow-up (months)

45.58 ± 19.32

42.83 ± 17.25

0.22

Smoking

4 (11.1%)

17 (12.1%)

0.86

Hypertension

17 (47.2%)

65 (46.4%)

0.93

Diabetes

13 (36.1%)

34 (24.3%)

0.19

  1. Values are presented as mean ± SD or the number of patients (%).
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