Skip to main content

Table 2 Baseline characteristics

From: Periprosthetic proximal femoral fractures in cemented and uncemented stems according to Vancouver classification: observation of a new fracture pattern

Characteristic

Cemented, N = 84

Uncemented, N = 88

p value

Mean age (years)

82.48 (SD 8.48, 95% CI 80.64–84.32, range 60–102)

78.23 (SD 9.57, 95%CI 76.70–80.76, range 40–98)

0.0073

Gender (number/% male)

39/46.43%

47/53.41%

0.4457

Mean time from implant (months)

68.55 (SD 80.77, 95% CI 49.15-87.95, range 1–432)

124.41 (SD 104.60, 95% CI 99.04–149.73, range 1–552)

0.0006

Mean Dorr ratio

0.52 (SD 0.08, 95% CI 0.50-0.53, range 0.37–0.76)

0.52 (SD 0.09, 95% CI 0.50–0.52, range 0.33–0.86)

0.9270

Varus stem (number/%)

28/33.33%

17/19.32%

0.0393

Mean body mass index

24.15 (SD 5.32, 95% CI 22.83–25.48, range 15.8–45.5)

27 (SD 4.55, 95% CI 25.88–28.13, range 18–40)

0.0014

Hemiarthroplasty (number/%)

17/20.24%

3/3.41%

0.0006

Neck of femur fracture indication (number/%)

37/44.05%

6/6.82%

0.0001

Dependence on walking aid/carer (number/%)

44/52.38%

41/46.59%

0.5419