Table 2.

Values, ranges, distributions and references for economic parameters used in the decision tree (costs 2012, €)

	Value	Range	Distribution	References
Weekly home follow-up	42	–	–	NIHS
[24–27] GA
Prenatal hospitalization for TPL	1445	532–2736	Gamma	NCSS
Preterm labor	2877	1327–11,570	Log-normal	NCSS
Preterm labor hospitalization	2890	1332–11,594	Log-normal	NCSS
Perinatal death	1867	323–80,068	Log-normal	NCSS
Neonatal hospitalization without morbidity	27,295	1380–78,887	Log-normal	NCSS
Neonatal hospitalization with morbidity	58,775	2406–79,591	Gamma	NCSS
[28–31] GA
Prenatal hospitalization for TPL	1762	532–5370	Gamma	NCSS
Preterm labor	3606	1318–11,525	Log-normal	NCSS
Preterm labor hospitalization	3639	1328–11,626	Log-normal	NCSS
Perinatal death	1235	323–18,976	Log-normal	NCSS
Neonatal hospitalization without morbidity	19,748	1380–79,394	Log-normal	NCSS
Neonatal hospitalization with morbidity	40,419	2150–79,690	Gamma	NCSS
[32–34] GA
Prenatal hospitalization for TPL	2113	532–11,625	Gamma	NCSS
Preterm labor	4482	1334–11,625	Log-normal	NCSS
Preterm labor hospitalization	4517	1343–11,821	Log-normal	NCSS
Perinatal death	1606	323–57,387	Log-normal	NCSS
Neonatal hospitalization without morbidity	10,907	1380–61,756	Log-normal	NCSS
Neonatal hospitalization with morbidity	20,331	1380–36,321	Gamma	NCSS

GA gestational age, TPL threatened preterm labor, NIHS National Insurance Health System, NCSS National Cost Survey Sample