Table 6.

A comparison of the 25-hydroxycholecalciferol concentration on the day of surgery and bone loss/growth after 6 and 12 weeks.

Bone Level		Correlation with 25-Hydroxycholecalciferol on the Day of Surgery
		Correlation Coefficient	p *	Direction of Relationship	Strength of Relationship
Study group C	After 6 weeks	0.364	0.044 NP	Positive	Weak
	After 12 weeks	0.429	0.016 NP	Positive	weak

NP, deficiency in normality of distribution of at least one of the variables correlated, Spearman’s correlation coefficient; * p significance level.