Table 3. Statistical analysis of the data shown in Fig. 1c: change in impact strength of n- and g-HAP/PLLA and PLLA samples with time.

	Weeks after implantation
	0	4	12	20	28	36
g-HAP/PLLA vs. n-HAP/PLLA	n.s	n.s	n.s	c	b	c.
g-HAP/PLLA vs. PLLA	n.s	c	c	c	c	n.s
n-HAP/PLLA vs. PLLA	n.s	n.s	d	c	c	a

aWith a significant difference at P < 0.02.

bWith a significant difference at P < 0.01.

cWith a significant difference at P < 0.005.

dWith a significant difference at P < 0.05.

en.s. = not significant.