Table 2.

Characteristics of intrabony defect sites at baseline (mean ± SD)

Variables	NIT group (n = 55)	PSRP group (n = 62)
	baseline	baseline	p value
PD (mm)	7.55 ± 2.04	6.88 ± 1.93	p = 0.052
95%CI	(6.99, 8.10)	(6.36, 7.39)
GR (mm)	0.55 ± 1.02	0.96 ± 1.03	p = 0.006
95%CI	(0.27, 0.81)	(0.69, 1.24)
CAL (mm)	8.05 ± 2.30	7.84 ± 1.92	p = 0.447
95%CI	(7.47, 8.71)	(7.32, 8.35)
IBD (mm)	4.69 ± 1.87	4.51 ± 1.55	p = 0.825
95%CI	(4.18, 5.19)	(4.09, 4.92)

Comparison between baseline in the NIT group and the PSRP group

PD probing depth, GR gingival recession, CAL clinical attachment level, IBD radiographic intrabony defect depth