also showed a trend towards shorter operating time, and state that there is a learning curve that needs to be overcome before shorter operating times would be seen [ 19 ].
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Traditional pedicle screw versus cortical bone trajectory in the upper thoracic spine: A technical description and retrospective comparative review.
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The sentences
A p-value of .05 represented a significant difference and a p-value of .10 represented a nonsignificant trend.