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Table 1 Baseline characteristics of the included patients with vertical femoral neck fractures

From: Enhanced interfragmentary stability and improved clinical prognosis with use of the off-axis screw technique to treat vertical femoral neck fractures in nongeriatric patients

Variable Internal fixation type* P value
TRI ALP DHS
Participants 107 65 32  
Age 44.5 ± 10.7 44.6 ± 10.6 48.2 ± 8.2 0.25
Sex
Female 47 28 9 0.262
Male 60 37 23
Initial displacement
Nondisplaced 22 15 6 0.87
Displaced 85 50 26
Pauwels angle 56.6 ± 7.4 58.0°± 7.0 59.7°± 10.7 0.226
Reduction method
Open 26 15 8 0.65
Closed 81 50 24
Reduction quality
Excellent-Good 83 53 25 0.82
Fair-Poor 24 12 7
Intraoperative blood loss 61.6 ± 52.9 86.3 ± 78.2 243.4 ± 194.8 < 0.001
Operation duration 57.5 ± 26.5 75.3 ± 36.5 119.4 ± 41.9 < 0.001