Table 3.

Two-way ANOVA for the number of CD68 positively stained cells and the significance of comparisons

Groups	mean ± SD			Student t-test (P value)			Two-way ANOVA (P value)
	Week 1	Week 2	Week 4	1 × 2	1 × 4	2 × 4
I	29.22 ± 2.53	15.62 ± 1.09	4.82 ± 0.08	P < 0.05	P < 0.05	P < 0.05	P < 0.05
II	23.57 ± 1.08	9.92 ± 1.07	3.09 ± 0.07	P < 0.05	P < 0.05	P < 0.05
III	19.04 ± 0.95	8.13 ± 0.13	0.29 ±0.03	P < 0.05	P < 0.05	P < 0.05
Tukey's test (P value)
I × II	P < 0.05	P < 0.05	P < 0.05
I × III	P < 0.05	P < 0.05	P < 0.05
II × III	P < 0.05	P < 0.05	P < 0.05