Table 2.

 Details of follow-up for potential pelvic inflammatory disease (PID) over 12 months. Values are numbers unless stated otherwise

Variables	Screened women (n=1259)	Deferred screening controls (n=1270)
% (No) followed up by questionnaire to participant or general practitioner	94.6 (1191)	93.4 (1186)
% (No) selected for additional record search for clinical details of potential PID:	17.3 (218)	14.0 (178)
Participant or general practitioner reported PID*	12	9
Laparoscopy	16	24
Visited doctor for abdominal or pelvic pain	108	95
Treated for urinary tract infection	50	22
Reported 3 of 4 symptoms† but did not report seeing doctor	32	28

*Some participants were in more than one category, but each is included only once, in hierarchical order.

†Pelvic pain, dyspareunia, bleeding between menstrual periods, or abnormal vaginal discharge.