Prognostic factors affecting the short-term efficacy of non-surgical treatment of chronic periodontitis: a multilevel modeling analysis

Table 3 Comparison of PD ≥ 5 mm or < 5 mm at each site after 3 months of multi-rooted teeth treatment

	PD < 5 mm		PD ≥ 5 mm		Total	χ²	P value
	Number of sites	Constituent ratio (%)	Number of sites	Constituent ratio (%)	Total	χ²	P value
Mesio-buccal site	203	75.5	66	24.5	269	1.11	0.29
Mesio-lingual site	206	71.5	82	28.5	288	1.11	0.29
Mesio-buccal site	203	75.5	66	24.5	269	23.37	0.00*
Disto-buccal site	166	56.1	130	43.9	296	23.37	0.00*
Disto-buccal site	166	56.1	130	43.9	296	0.11	0.74
Disto-lingual site	182	57.4	135	42.6	317	0.11	0.74
Mesio-lingual site	206	71.5	82	28.5	288	13.07	0.00*
Disto-lingual site	182	57.4	135	42.6	317	13.07	0.00*
Mid-buccal site	49	47.	54	52.4	103	0.38	0.54
Mid-lingual site	59	51.8%	55	48.2	114	0.38	0.54

ISSN: 2047-783X