Table 4.

Pregnancy to one year hospitalisation costs: mean (standard deviation), by gestational age for SGA and AGA infants

	Gestational age
	[22–28[		[28–32[		[32–37[		[37–39[		[39–43[
	N = 1,213		N = 3,346		N = 29,165		N = 101,974		N = 344,750
	SGA	AGA	SGA	AGA	SGA	AGA	SGA	AGA	SGA	AGA
	N = 517	N = 696	N = 1,791	N = 1,555	N = 8,789	N = 20,376	N = 17,491	N = 84,483	N = 56,100	N = 288,650
	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
PREGNANCY (maternal)	€1,785 (€2,673)	€1,763 (€2,387)	€2,739 (€2,814)	€4,150 (€6,295)	€3,238 (€3,358)	€2,759 (€3,507)	€1,726 (€2,486)	€1,160 (€1,945)	€640 (€1,404)	€477 (€1,119)
DELIVERY (maternal)	€6,675 (€12,363)	€3,735 (€2,220)	€6,175 (€1,242)	€6,306 (€3,557)	€6,296 (€2,335)	€4,878 (€2,203)	€3,395 (€818)	€3,026 (€726)	€2,585 (€773)	€2,481 (€508)
INITIAL HOSPITALISATION (infant)	€42,539 (€33,838)	€36,905 (€30,188)	€28,671 (€14,143)	€21,935 (€14,680)	€8,484 (€7,869)	€4,539 (€5,313)	€2,067 (€2,620)	€1,074 (€1,315)	€1,170 (€1,374)	€979 (€849)
FIRST YEAR OF LIFE	€17,273 (€31,936)	€21,145 (€35,397)	€14,143 (€22,627)	€13,571 (€19,624)	€3,868 (€8,899)	€1,994 (€6,230)	€715 (€3,060)	€392 (€1,935)	€416 (€2,615)	€287 (€1,833)
TOTAL AVERAGE COST	€68,272 (€43,776)	€63,547 (€43,951)	€49,304 (€27,118)	€43,490 (€21,423)	€18,783 (€12,078)	€12,026 (€8,585)	€6,634 (€4,313)	€4,682 (€2,556)	€4,487 (€3,080)	€3,926 (€2,081)
	57,772	51,948	42,545	38,885	12,551	9,721	5,554	4,121	3,703	3,467
Median (IQR)	[38,780; 86,606]	[34,779; 81,310]	[30,175; 60,134]	[27726; 52,644]	[6,822; 22,688]	[6,330; 15,051]	[3,742; 8,324]	[2,909; 5,824]	[2,443; 5,628]	[2,476; 4,855]
Average cost difference between SGA and AGA infants	€ 4,725		€ 5,814		€ 6,757		€ 1,952		€ 561