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BioMed Research International
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2018
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Article
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Tab 1
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Research Article
Ordinary Cannulated Compression Screws or Headless Cannulated Compression Screws? A Synthetic Bone Biomechanical Research in the Internal Fixation of Vertical Femoral Neck Fracture
Table 1
The results of compressive strength in two groups.
Pauwels angle
50
60
70
Compressive strength (N)
Group A (OCCS)
Mean
177.58
137.54
109.03
Minimum
135.00
114.43
91.14
Maximum
195.30
193.84
120.35
SD
25.74
32.57
7.89
Group B (HCCS)
Mean
214.08
135.96
128.58
Minimum
192.09
77.89
113.40
Maximum
240.47
199.69
153.21
SD
18.62
43.52
12.24
0.133
0.721
0.019