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Table 3 Morphological characteristics

From: Radiographic analysis of specific morphometrics and patient-reported outcomes (PROMIS) for surgical repair of zones 2 and 3 fifth metatarsal fractures

Characteristic Mean Std. deviation Minimum Maximum
Screw length (mm) 42.17 4.96 35 55
 Screw length (female) 40.56 1.67 40 55
 Screw length (male) 43.21 6.10 35 55
Screw diameter (mm) 5.40 0.28 4.7 5.5
 Screw diameter (female) 5.50 0 5.5 5.5
 Screw diameter (male) 5.34 0.33 4.7 5.5
Screw length (mm)/distance from screw insertion to fracture (mm) 1.89 0.3 1.52 2.86
 Above ratio (female) 2.01 0.42 1.5 2.9
 Above ratio (male) 1.81 0.20 1.5 2.2
Screw length (mm)/distance from fracture to fifth metatarsal bow (mm) 0.78 0.09 0.59 1.02
 Above ratio (female) 0.81 0.09 0.74 1.02
 Above ratio (male) 0.75 0.09 0.59 0.89
Screw diameter/medullary canal diameter (mm) 0.82 0.15 0.55 1.17
 Above ratio (female) 0.82 0.17 0.7 1.2
 Above ratio (male) 0.83 0.16 0.6 1.1