[Retracted] Observation on the Effect of Bone Grafting Alone and Guided Tissue Regeneration Combined with Bone Grafting to Repair Periodontal Intraosseous Defects

Table 1

Comparison of general information of the two groups (n, ± s).

Group	Male/female	Age (years)	Number of bone defects			Location
			1	2	3	Left	Right	Bilateral
Control group (n = 43)	20/23	41.52 ± 6.84	31	9	3	15	13	15
Observation group (n = 43)	19/24	42.13 ± 5.61	29	12	2	13	14	16
t/χ^2 value	0.047	0.452		0.695			0.212
value	0.829	0.652		0.706			0.899