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Table 1 Comparison of basic characteristics between patients with re-fracture and non-fracture

From: Analysis of risk factors related to the re-fracture of adjacent vertebral body after PKP

  Sex (male/female) Age (year) Height (m) Weight (kg) BMI kg/m2
Re-fractured group (n = 24) 4/25 75.3 ± 7.3 1.66 ± 0.08 58.73 ± 9.74 23.25 ± 4.68
Non-refractured group(n = 204) 27/172 69.0 ± 6.7 1.67 ± 0.07 60.32 ± 10.25 24.26 ± 4.55
z2 value 0.041 1.626 −1.71 −0.689 -0.883
P value 0.795 0.058 0.084 0.536 0.436