Costs associated with febrile neutropenia in solid tumor and lymphoma patients – an observational study in Singapore

Table 4 Comparisons of costs among subsets of variables identified in univariate analysis (n=367)

Variables	Reference (r)	Comparator (c)	Out-of-pocket patient payments, 2012 US$		Total hospital cost, 2012 US$
Variables	Reference (r)	Comparator (c)	Mean difference (r-c)	p value^@	Mean difference (r-c)	p value^@
Cancer type	Lymphoma	Breast CA	1,822	< 0.001*	3,662	< 0.001*
		Gastrointestinal CA	1,462	0.411	2,415	0.634
		Head & Neck CA	887	0.999	1,995	0.94
		Lung CA	1,528	0.098	3,207	0.072
		Sarcoma	1,058	1	2,703	0.988
		Genitourinary CA	760	0.952	1,662	0.804
		Gynecologic CA	512	1	1,945	1
		Other/Unknown CA	1,986	0.969	3,853	0.87
Admission source	Inpatient referral	NCCS clinic	1,501	0.002*	3,567	< 0.001*
Admission source	Inpatient referral	ED admission	1,591	0.003*	3,517	< 0.001*
Age in years	18-40 yrs	41-60 yrs	926	0.002*
Age in years	18-40 yrs	61-80 yrs	864	0.005*
Ward class	A1	B1	1,496	0.763
		B2	3,549	< 0.001*
		C	3,645	< 0.001*
	B1	A1	-1,496	0.763
		B2	2,053	< 0.001*
		C	2,149	< 0.001*

ED = emergency department; NCCS = National Cancer Centre Singapore; CA = cancer; * significant at α = 0.05 after Bonferroni correction; ^@ Conducted by using Scheffe’s Test with Bonferroni correction.

ISSN: 1472-6963