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. 2020 Nov 6;61(Suppl 3):13–20. doi: 10.1111/j.1875-595X.2011.00044.x

Table 2.

Summary of changes during pre-experimental phase (Pre-Prophy Baseline to Randomisation Visits)

Index	Mean Score (±SD)		Comparison^*
Index	Pre-Prophy Baseline (N = 224)	Randomisation (N = 224)	Mean Difference (%)	95% CI	P-value
Modified Gingival Index	1.90 ± 0.203	0.44 ± 0.251	−1.46 (76.8%)	−1.49, −1.42	<0.0001
Bleeding Index	0.64 ± 0.238	0.20 ± 0.105	−0.43 (69.4%)	−0.36, −0.34	<0.0001
Plaque Index	3.34 ± 0.308	2.39 ± 0.441	−0.95 (28.4%)	−1.00, −0.89	<0.0001

^*

Comparison based on model-adjusted means.