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Table 1 Screw placement accuracy

From: Use of a life-size three-dimensional-printed spine model for pedicle screw instrumentation training

Screw placement category

Percentage of screws

Former group

(n = 100 screws)

Latter group

(n = 100 screws)

A (fully contained)

73

90

B (breach < 2 mm)

16

10

C (breach of 2–4 mm)

11

0

D (breach > 2 mm)

0

0

  1. Former group: 10 3D-printed spinal models that residents instrumented pedicle screws earlier to the 10 latter group. Latter group: 10 3D-printed spinal models that residents instrumented pedicle screws later to the 10 former group
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X