A decision support system based on support vector machine for diagnosis of periodontal disease

Table 1 Comparison of different variables between three classes of diseases (Hamadan in the west of Iran- September 2016 to June 2018)

	n	%	n	%	n	%	P-value**
Sex
Female	65	40.6	19	31.7	29	36.3	0.453
Male	95	59.4	41	68.3	51	63.8
Smoking
No	148	92.5	54	90	65	81.2	0.031
Yes	12	7.5	6	10	15	18.8
Gingival Index
Grade I	48	30	6	10	5	15	< 0.001
Grade II	78	48.8	24	40	27	33.8
Grade III	31	19.4	26	43.3	39	43.8
Grade IV	3	1.9	4	6.7	9	7.6
Alveolar Bone Loss
0	153	95.6	7	11.7	2	2.5	< 0.001
1	4	2.5	18	30.0	32	40.0
2	3	1.9	35	58.3	46	57.5
Papilla Bleeding Index
0	41	25.6	8	13.3	9	11.3	< 0.001
1	78	48.8	22	36.7	13	16.3
2	37	23.1	23	38.3	41	33.7
3	4	2.5	7	11.7	17	9.3
Mobility
No	140	87.5	35	58.3	46	57.5	< 0.001
Yes	20	12.5	25	41.7	34	42.5
Simplified Oral Hygiene Index
0	5	3.1	9	15	10	12.5	< 0.001
1	16	10.0	16	26.7	11	13.8
2	79	49.4	24	40.0	40	50.0
3	60	37.5	11	18.3	19	23.8