Skip to main content

Table 3 Cross link among both validation exercises excluding unknown cases from questionnaires

From: Feasibility study to identify women of childbearing age at risk of pregnancy not using any contraception in The Health Improvement Network (THIN) database

Free text comments

PCP questionnaire Gold Standard

Confirmed Cases

Non confirmed cases

Total

Confirmed cases

33

6

39

Non confirmed cases

0

1

1

Total

33

7

40