Table 2 Demography of study population

Total patients/implants

n

94/130

Center 1

9/17

Center 2

18/26

Center 3

20/26

Center 4

14/16

Center 5

18/26

Center 6

15/19

Gender, n (%)

Male

30 (31.9)

Female

64 (68.1)

Age at surgery, years

Mean ± SD

50.4 ± 13.7

Range (min/max)

19.1-75.6

Age range distribution, n (%)

< 30 years

8 (8.5)

30-45 years

22 (23.4)

45-60 years

38 (40.4)

60-75 years

25 (26.6)

> 75 years

1 (1.1)

Tobacco use, n (%)

Non-smoker*

80 (85.1)

Mild smoker (≤ 10/d)

14 (14.9)

General health status, n (%)

ASA P1

86 (91.5)

ASA P2

8 (8.5)

Number of implants placed per patient, n (%)

1 implant

62 (66.0)

2 implants

28 (29.8)

3 implants

4 (4.3)

Distribution of implants in jaws, n (%)

Maxilla

59 (45.4)

Mandible

71 (54.6)