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Table 1 Characteristics of subjects and installed implants

From: Implant survival and patient satisfaction in completely edentulous patients with immediate placement of implants: a retrospective study

Age group Maleb Immediate placement Delayed placement
Chronic Lth Diaa Mxb Md Chronic Ltha Diab Mxb Mda
< 60 0.88 0.27 10.54 4.48 5.59 4.18 0.36 9.91 4.58 2.47 1.88
60–70 0.67 0.00 10.79 4.07 1.00 1.33 0.00 10.77 3.83 7.00 4.67
> 70 0.16 0.24 10.33 4.01 0.83 2.67 0.60 10.89 3.87 7.50 3.67
Total 0.69 0.25 10.53 4.41 3.96 3.50 0.38 10.45 4.16 4.15 2.62
  1. ap < 0.05; bp < 0.001
  2. “Male” represents the proportion of males by age groups
  3. Dia Diameter and Lth length of implants are presented in millimeters (mm)
  4. Mx maxilla and Md mandible represent a mean number of immediately placed implants and delayed placed implants in the maxilla and mandible, respectively