Table 1 Patient demographics and clinical parameters at baseline

Age (years; mean ± SD)

55.5 ± 14.8 (range, 28–76)

Sex (% women)

50

CAL (mm; mean ± SD)^a

8.0 ± 1.2 (range, 6.0–10.0)

PD (mm; mean ± SD)^a

7.5 ± 1.1 (range, 6.0–9.5)

GR (mm; mean ± SD)^a

0.7 ± 0.9

PlI^a

0.1 ± 0.1

GI^a

0.6 ± 0.3

BOP positive (%)^a

80

TM^b

0.6 ± 0.5

Width of keratinized tissue (mm; mean ± SD)^b

4.9 ± 1.7 (range, 3.0–8.0)

INTRA (mm; mean ± SD)^c

4.6 ± 1.3 (range, 3.0–7.0)