A cost-minimisation analysis of performing point-of-care ultrasonography on patients with vaginal bleeding in early pregnancy in general practice: a decision analytical model

Table 1 Probabilities for the pattern of referral in base case

Pattern of referral	Probability	References
Usual practice
Referral from GP to private gynaecologist	0.23	Questionnaire
Completion at private gynaecologist	0.92	[23]
Referral from private gynaecologist to hospital	0.08	[23]
Referral from GP to hospital	0.77	Questionnaire
Intervention
Completion at GP	0.73	Questionnaire
Referral from GP	0.27	Questionnaire
Referral from GP to private gynaecologist	0.16	Questionnaire
Completion at private gynaecologist	0.92	[23]
Referral from private gynaecologist to hospital	0.08	[23]
Referral from GP to hospital	0.84	Questionnaire

ISSN: 1472-6963