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Table 6 For detect differences of survival rate, success rate, marginal bone loss and stability between surgery protocol

From: Retrospective clinical study of ultrawide implants more than 6 mm in diameter

Surgery protocol 1-stage 2-stage P value
N Mean SD N Mean SD
Survival rate 26 100 % 0.00 32 96.88 % 0.18 NS
Success rate 26 96.15 % 0.20 32 93.75 % 0.25 NS
Primary stability 26 76.81 7.80 32 70.03 10.42 *
Secondary stability 15 79.97 7.99 32 76.31 9.30 NS
Marginal bone loss
 12 months 25 0.00 0.00 31 0.01 0.06 NS
 24 months 21 0.02 0.07 21 0.07 0.32 NS
 Marginal bone lossa 26 3.85 % 32 32 6.25 % 0.42 NS
  1. a NS nonsignificant
  2. aIndependent-samples t test is significant at the 0.05 level (two-tailed)
  3. *Independent-samples t test is significant at the 0.01 level (two-tailed)