Table 3.

Model parameters for probabilities and costs

Parameters	Ranges	References
Probabilities
Usual practice
Referral from GP to private gynaecologist	[0.00 – 1.00]	Questionnaire
Completion at private gynaecologist	[0.92 – 1.00]	[23]
Referral from private gynaecologist to hospital	[0.00 – 0.08]	[23]
Referral from GP to hospital	[0.00 – 1.00]	Questionnaire
Intervention
Completion at GP	[0.40 – 0.98]	Questionnaire
Referral from GP	[0.02 – 0.60]	Questionnaire
Referral from GP to private gynaecologist	[0.00 – 1.00]	Questionnaire
Completion at private gynaecologist	[0.92 – 1.00]	[23]
Referral from private gynaecologist to hospital	[0.00 – 0.08]	[23]
Referral from GP to hospital	[0.00 – 1.00]	Questionnaire
Costs
General practitioner
Cost of ultrasonography scanner	[1.30 – 13.77]	[24]
Cost of consultation without ultrasonography	[19.02 – 19.25]	[39, 40]
Cost of ultrasonography training	[3.35 – 5.81]	[31, 42]
Cost of utensils	[0.34 – 0.56]	Expert opinion
Private gynaecologist
Cost of consultation	[96.78 – 97.99]	[27, 41]
Hospital
Cost of consultation	[164.26 – 164.79]	[25]
Patient-related parameters
Patients
Consultation time
General practitioner without ultrasonography	[5-15]	[24]
General practitioner with ultrasonography	[13-26]	[24]
Private gynaecologist	[13-26]	[24]
Hospital	[13-26]	[24]
Transportation distance
General practitioner	[0.2—42]	Unpublished registry data
Private gynaecologist	[0.2—100]	[37]
Hospital	[0.2 – 100]	[37]
Transportation time
General practitioner	[0.24 – 50.40]	Unpublished registry data
Private gynaecologist	[0.24 – 120]	[37]
Hospital	[0.24 – 120]	[37]