Table 2.

Hospitalization costs inflated to 2009 AU$ per patient for index hospitalization and hospitalizations 12 weeks after index admission, outpatient care excluded^a

Cost category	Index hospitalization				Hospitalization up to 12 wk from index hospitalizationb
	Cost (2009 AU$)			Pc	Cost (2009 AU$)			Pc
	IFD group (n = 43)	Control group (n = 43)	Difference between groups		IFD group (n = 25)	Control group (n = 25)	Difference between groups
Hospital stay
Wardd	49,947	33,292	16,655 (21)e		26,512	10,927	15,585 (30)
ICU	7,609	2,655	4,954 (6.3)		847	196	651 (1.2)
Total	57,556	35,947	21,609 (27)	0.091	27,359	11,123	16,235 (31)	0.21
Pharmacy (total)f	72,529	22,130	50,399 (64)	<0.001	40,358	8,731	31,627 (60)	0.12
Antifungal drugs	26,219	4,775	21,444 (27)	<0.001	—g	—	—	—
Diagnostics
Pathology	10,563	7,066	3,497 (4.4)		5,307	2,918	2,389 (4.5)
Radiology	4,567	2,322	2,245 (2.8)		1,820	982	838 (1.6)
Total	15,130	9,388	5,742 (7.3)	0.072	7,127	3,900	3,227 (6.1)	0.15
Proceduresh	2,082	1,179	903 (1.1)	0.32	1,131	348	783 (1.5)	0.20
Operating theater	1,008	532	476 (0.6)	0.14	1,020	201	819 (1.6)	0.043
Total costs
Mean	148,305	69,176	79,129i		76,995	24,303	52,692
Median	81,691	53,382	28,309j	0.0099	37,815	11,237	26,578	0.098
Range	10,518–687,574	3,468–233,020			0–425,631	0–148,886

^aValues are reported as means (unless otherwise stated).

^bFor surviving matched pairs at 12 weeks.

^cTest of difference between IFD and control groups used the Mann-Whitney U test.

^dWard costs include emergency and inpatient care.

^eValues in parentheses represent percent difference.

^fPharmacy expenditure includes staff salaries as well as medications.

^g—, data not available.

^hTherapeutic or diagnostic procedures, e.g., bronchoscopy.

ⁱMean cost at purchasing power parity (2009): US$54,198 and €40,356.

^jMedian cost at purchasing power parity (2009): US$19,390 and €14,438.