a decreasing trendp <.0001
an increasing trendp =.0012
Tests of the year main effect revealed a decreasing trend for wrist ( p <.0001), an increasing trend for vertebral ( p =.0012), and no statistically significant change for humerus ( p =.2226).
Tests of the year main effect revealed a decreasing trend for wrist ( p <.0001), an increasing trend for vertebral ( p =.0012), and no statistically significant change for humerus ( p =.2226).