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Table 1 Comparison of two levels of medial support

From: The effect of medial calcar support on proximal humeral fractures treated with locking plates

 

Intact medial support (N = 37)

Medial support deficiency (N = 33)

p

Number of screws in head

6.0

6.0

1.000

Reduction score# Postoperatively

0.5

0.6

0.444

Reduction score# at l2-month follow-up

0.8

1.5

 < 0.001*

Mean length of screwa, mm

39.8

39.8

0.913

Postoperative distanceb, mm

4.1

4.2

0.598

Amount of impaction, mm

1.9

2.9

 < 0.001*

  1. a = Measured length of the most cranial screw on anteroposterior view
  2. b = Actual distance between the screw tip and the articular surface (i.e., X)
  3. # = Bahrs’ criteria: 0 to 3
  4. * = difference is statistically significant, P ≤ 0.05
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X