Long-term results of regenerative treatment of intrabony defects: a cohort study with 5-year follow-up

BMC Oral Health

Table 1 Baseline characteristics of involved patients and treatment sites

	EMD and DPBM (mean 1.3 defects/patient)		EMD alone (mean 3.7 defects/patient)		p-value
	n	%	n	%	p-value
Number of patients	133	100.0	43	100.0
Sex
Male	84	63.2	31	72.1	0.285
Female	49	36.8	12	27.9
Age (mean ± SD, years)	55.4 ± 8.9		52.8 ± 8.9		0.106
Diabetes mellitus	3	2.3	4	9.3	0.040^*
Hypertension	24	18.0	6	14.0	0.536
Smoking status
Non-smoker	115	86.5	41	95.3	0.111
Current smoker (< 20 cigarettes per day)	18	13.5	2	4.7
Follow-up time (mean ± SD, months)	58.5 ± 11.2		58.9 ± 11.2		0.863
Number of treatment sites	175	100.0	158	100.0
Defect morphology
One-wall	42	24.0	60	38.0	0.003^**
Two-wall	70	40.0	39	24.7
Thress-wall	63	36.0	59	37.3

EMD, enamel matrix protein derivative; DPBM, deproteinized porcine bone mineral; SD, standard deviation
Variables of significance (^*p ≤ 0.05 and ^**p ≤ 0.01)

ISSN: 1472-6831