Table 2 Patient characteristics obtained from the questionnaire

Teeth brushing >1/d

58/69 (84%)

115/123 (94%)

0.045

Frequency of oral rinse/week

6 (SD 8)

4 (SD 5)

0.015

Use of dental floss

21/69 (30%)

76/123 (62%)

<0.0001

Time to last dental examination ≤ 6 months

50/69 (72%)

93/123 (76%)

0.588

Gum bleeding

5/69 (7%)

3/123 (2%)

0.138

Halitosis

2/69 (3%)

2/123 (2%)

0.443

Periodontal treatment

18/69 (26%)

60/123 (49%)

0.002

Dental prosthesis

54/69 (78%)

119/123 (97%)

<0.0001

Tobacco/pack years

30.7 (SD 34)

9.3 (SD 17.7)

<0.0001

Alcohol

38/69 (55%)

87/123 (71%)

0.03

Concomitant diseases

Coronary heart diseases

19/69 (28%)

35/123 (29%)

1

Diabetes mellitus

4/69 (6%)

3/123 (2.4%)

0.253

Pulmonary diseases

4/69 (6%)

4/123 (3.3%)

0.461

Apoplexy in anamnesis

3/69 (4%)

5/123 (4%)

1

Autoimmune disorders

2/69 (3%)

6/123 (5%)

0.453

Osteoporosis

1/69 (1%)

3/123 (2,4%)

1

Gastric diseases

2/69 (3%)

1/123 (0.8%)

0.294

Stress before examination (VAS)

4.6 (SD 2.5)

4.8 (SD 2.8)

0.619