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. 2019 Sep 16;49(5):287–298. doi: 10.5051/jpis.2019.49.5.287

Table 1. Descriptive data of the included patients.

Variable All placed implants (n=1,031) Early failures (n=35)
Sex
Male 624 (60.5) 23 (65.7)
Female 407 (39.5) 12 (34.3)
Age (yr)
<40 74 (7.2) 1 (2.9)
40–49 236 (22.9) 7 (20.0)
50–59 401 (38.9) 14 (40.0)
60–69 245 (23.8) 12 (34.3)
≥70 75 (7.3) 1 (2.9)
Jaw
Maxilla 528 (51.2) 11 (31.4)
Mandible 503 (48.8) 24 (68.6)
Position
Anterior 106 (10.3) 3 (8.6)
Posterior 925 (89.7) 32 (91.4)
Surgeon
Faculty member 640 (62.1) 11 (31.4)
Resident 391 (37.9) 24 (68.6)
Protocol
1-stage 712 (69.1) 21 (60.0)
2-stage 319 (30.9) 14 (40.0)
Implant diameter (mm)
3.5 45 (4.4) 3 (8.6)
4.0 216 (21.0) 7 (20.0)
4.5 281 (27.3) 6 (17.1)
5.0 468 (45.4) 17 (48.6)
6.0 21 (2.0) 2 (5.7)
Implant length (mm)
7.0 157 (15.2) 0 (0.0)
8.5 670 (65.0) 25 (71.4)
10.0 187 (18.1) 10 (28.6)
11.5 15 (1.5) 0 (0.0)
13.0 2 (0.2) 0 (0.0)
SFE access approach
None 809 (78.5) 31 (88.6)
Crestal 37 (3.6) 0 (0.0)
Lateral 185 (17.9) 4 (11.4)
Preoperative GBR
No 940 (91.2) 32 (91.4)
Yes 91 (8.8) 3 (8.6)
Simultaneous GBR
No 717 (69.5) 26 (74.3)
Yes 314 (30.5) 9 (25.7)

Data and number (%) values.

GBR: guided bone regeneration, SFE: sinus-floor elevation.