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Table 1 Five-years Kaplan–Meier survival analysis

From: Evaluation of the clinical success of four different types of lithium disilicate ceramic restorations: a retrospective study

Prosthesis Total number Event (failure) Censored Cumulative survival probability (percent) Estimate mean of survival (month) 95% confidence interval Log-Rank (Mantel–Cox)
Number Percent Number Percent Lower bound Upper bound
Veneer 66,732 234 0.35% 66,498 99.65% 98.6% 59.763 59.732 59.794 X2 = 5652.3
P < 0.0001
Inlay/onlay 2007 9 0.45% 1998 99.55% 99.3% 59.707 59.514 59.900
Single crown 12,404 228 1.8% 12,176 98.2% 89.5% 58.722 58.556 58.888
Fixed partial denture 6060 736 12.1% 5324 87.9% 52.9% 52.373 51.875 52.871
Total 87,203 1207 0.6% 85,996 98.6% 85.08% 59.049 58.996 59.103