Impact of patient characteristics on the risk of influenza/ILI-related complications

Table 4 Predictors of Costs Related to Influenza Complications and of Total Health Care Costs

	Influenza-Related Costs		Total Costs
	Mean	Median	Mean	Median
Gender
Female	$303	$69	$409	$107
Male	$294	$67	$380	$93
Age
0–4	$150	$62	$184	$83
5–14	$111	$61	$152	$69
15–24	$125	$69	$184	$100
25–34	$211	$68	$339	$103
35–44	$335	$77	$425	$118
45–54	$639	$80	$811	$141
55–64	$762	$93	$959	$182
65+	$944	$109	$1,408	$246
Prior/Concurrent Conditions
Prior Vaccination
Yes	$1,264	$89	$1,453	$177
No	$275	$68	$369	$100
Recently Preceding Complication or Comorbidity Diagnosis
Yes	$776	$87	$944	$126
No	$167	$66	$245	$93
Concurrent Dispensing of Amantadine or Rimantadine
Yes	$177	$92	$320	$127
No	$304	$67	$399	$100
Prior Influenza Episode
Yes	$187	$76	$263	$106
No	$306	$68	$404	$100
Quintile of 3-Month Preceding Health Care Cost
1:$0	$124	$62	$161	$71
2: >$0–$86	$104	$62	$140	$75
3:$87–$199	$132	$62	$178	$86
4: $200–452	$225	$75	$288	$114
5:$453+	$907	$100	$1,208	$211
Evidence of Medication Use and Prevalent Comorbid Conditions
Chronic Corticosteroid Use
Yes	$1,505	$263	$1,763	$376
No	$294	$68	$390	$100
Malignancy
Yes	$5,180	$165	$5,904	$400
No	$245	$68	$335	$100
Chronic Heart Disease
Yes	$2,866	$162	$3,295	$334
No	$248	$67	$338	$99
Chronic Lung Disease
Yes	$510	$86	$637	$128
No	$248	$66	$337	$94
Diabetes
Yes	$1,949	$124	$2,290	$290
No	$269	$68	$362	$100

ISSN: 1472-6963