Early therapeutic effect of platelet-rich fibrin combined with allogeneic bone marrow-derived stem cells on rats' critical-sized mandibular defects

Table 1 Two-way ANOVA for the amount of osteoid area (%) 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	0.01 ± 0.00	0.02 ± 0.00	0.02 ± 0.00	P > 0.05	P > 0.05	P > 0.05	P < 0.05
II	0.10 ± 0.02	0.22 ± 0.04	0.60 ± 0.02	P < 0.05	P < 0.05	P < 0.05
III	0.18 ± 0.04	0.40 ± 0.02	0.88 ± 0.02	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