Table 2.

Plaque index (PLI) and gingival index (GI) scores of patients propolis group and control group treated with multibrackets or removable appliances; intragroup differences between baseline and final study.

		Propolis group			Control group
		Median (IQR)		Intragroup difference	Median (IQR)		Intragroup difference
		Baseline	Final study	P ∗	Baseline	Final study	P ∗
GI	Multibracket appliances	1.75 (1.75)	1.5 (1.62)	0.01∗	1.54 (1.97)	1.79 (1.15)	0.24
	Removable appliances	1.12 (1.25)	1.12 (1.23)	0.02∗	1.33 (0.70)	1.75 (0.93)	0.64
	Total	1.50 (1.25)	1.25 (1.37)	<0.01∗	1.33 (1.37)	1.75 (1.02)	0.25
PLI	Multibracket appliances	1.50 (1.0)	1.50 (1.04)	<0.01∗	1.06 (1.15)	0.96 (0.52)	0.02∗
	Removable appliances	1.40 (0.79)	1.08 (0.79)	0.03∗	0.95 (0.91)	0.96 (0.64)	0.87
	Total	1.50 (1.0)	1.25 (1.0)	<0.01∗	0.96 (1.0)	0.96 (0.42)	0.03∗

IQR, interquartile range; ^∗significance if P < 0.05.