An initial loading-dose vitamin D versus placebo after hip fracture surgery: baseline characteristics of a randomized controlled trial (REVITAHIP)

Table 2 Univariate D (25O HD) levels before hip fracture surgery (n=155), and baseline characteristics

Continuous independent variable^a		n	Correlation coefficient (r)	P value
Number of medications used		156	0.159	0.048*
VRS pain rating		155	-0.177	0.028*
Categorical independent variable ^b			Mean (sd)	P value
Living arrangements (living alone/with others)		155		0.095
Using calcium		156		0.027*
	No		51.2 (22.9)
	Yes		64.2 (25.2)
Using vitamin D		156		<0.001*
	No		50.3 (22.7)
	Yes		73.4 (20.1)

^aContinuous independent variables were compared individually with 25O HD (continuous dependent variable) using Pearson Correlation Coefficient.
^bCategorical independent variables were compared individually with 25O HD using ANOVA.
*Indicates statistical significance (p<.05).

ISSN: 1471-2318