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

Table 2 Cross link among both validation exercises

Free text comments	PCP questionnaire Gold Standard
Free text comments	Confirmed Cases	Non confirmed cases	Total
Confirmed cases	33	48	81
Non confirmed cases	0	1	1
Total	33	49	82

ISSN: 1472-6947