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Table 6 Breakdown by correlate of events for survival analysis

From: Structuring, reuse and analysis of electronic dental data using the Oral Health and Disease Ontology

Correlate No. Patients No. Events No. Failures
Gender female 1441 7114 1358
Gender male 1117 5590 1251
Anterior tooth 1195 3692 989
Posterior Tooth 2234 9012 1620
Age < 40 1082 5159 824
Age over 40 1545 7545 1785
Single surface 2016 6216 1346
Multiple surface 2021 6488 1263