. 2019 Feb 24;2019:1737306. doi: 10.1155/2019/1737306

Table 1.

Data on study population.

Parameter	Mean ± sd in the REG group	Mean ± sd in the OFD group	P value between the groups
Age (years)	55.9 ± 9.2	58.3 ± 11.6	ns

Full mouth plaque score (%)	5.7 ± 2.8	6.5 ± 2.9	ns

Full mouth bleeding score (%)	3.9 ± 1.8	4.6 ± 2.9	ns

Probing pocket depth at experimental sites (mm)	8 ± 1.8 (BL)	5.3 ± 0.6 (BL)	ns
Probing pocket depth at experimental sites (mm)	4.1 ± 1 (6 m)	2.9 ± 0.7 (6 m)	ns

Clinical attachment level at experimental sites (mm)	9.7 ± 2.9 (BL)	6.2 ± 1.5 (BL)	ns
Clinical attachment level at experimental sites (mm)	5.4 ± 2.1 (6 m)	4.3 ± 1.1 (6 m)	ns

Experimental sites that bleed on probing at baseline (%)	61.1% (BL)	44.4% (BL)	ns
Experimental sites that bleed on probing at baseline (%)	5.5% (6 m)	0 (6 m)	ns

REG: sites that underwent to regenerative therapy; OFD: sites treated with open flap debridement; NS: not statistically significant; BL: baseline; 6 m: 6 months.