Table 1 Descriptive Statistics for failures based on crown-based data.

From: Fifteen-year recall period on zirconia-based single crowns and fixed dental prostheses. A prospective observational study

 

Descriptive Statistics for Failure

N

Mean

Min-max

median

Number of subjects

276

Number of Crowns

562

Exit time

151

4.3–216

168

Time at Risk

84618

151

4.3–216

168

Failures

156