Table 5.

Modified Sulcus Bleeding Index (MSB) at Baseline (B), and After Three- And Six-Month (M) Follow-Ups and Difference (Diff) Between Time, Intervention (I) and Control (C) Group

	Baseline		3 Months		Diff B–3M		6 Months		Diff B–6M
	I n=72	C n=74	I n=70	C n=61	I n=70	C n=61	I n=69	C n=55	I n=69	C n=55
MSB level 0–1 mean (SD)	2.07 (1.70)	1.66 (1.12)	2.15 (1.70)	1.79 (0.94)	0.08	0.13	2.41 (1.76)	2.30 (1.14)	0.34	0.64
MSB level 2–3 mean (SD)	0.98 (1.54)	1.35 (1.04)	0.84 (0.26)	1.28 (0.63)	− 0.14	− 0.07	0.59 (0.13)	0.70 (1.47)	− 0.39	− 0.65

Notes: MSB 0–1 positive values show improvement, MSB 2–3 negative values show improvement.