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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