Table IV.
Comparing mean cost for inpatient care per admission among diabetics and nondiabetics with foot ulcers
| Adjusteda cost per admission (in 2010 US dollars) |
No diabetes ($) |
Diabetes ($) |
P value |
|---|---|---|---|
| Average cost (95% CI) | Average cost (95% CI) | ||
| Overall | |||
| Unadjusted | 13,566 (13,335–13,798) | 8,842 (8,788–8,896) | <0.001 |
| Adjusted | 9,794 (9,675–9,913) | 9,397 (9,350–9,445) | <0.001 |
| Overall | |||
| No amputation | 8,838 (8,726–8,950) | 8,465 (8,417–8,513) | <0.001 |
| Minor amputation | 13,668 (12,954–14,382) | 14,270 (14,115–14,425) | 0.110 |
| Major amputation | 18,876 (17,735–20,018) | 18,877 (18,381–19,373) | 1.000 |
| Infection | |||
| No amputation | 11,476 (11,23–11,708) | 11,301 (11,199–11,403) | 0.159 |
| Minor amputation | 13,376 (12,348–14,403) | 12,989 (12,841–13,138) | 0.458 |
| Major amputation | 18,830 (16,512–21,148) | 19,101 (18,417–19,785) | 0.826 |
|
| |||
| Among diabetics | Average cost, $ (95% CI) |
||
| No amputation | Minor amputation | Major amputation | |
|
| |||
| Overall | 8,651 (8,601–8,700) | 9,955 (9,851–10,059) | 11,765 (11,473–12,057) |
| Infection | 11,290 (11,194–11,385) | 12,407 (12,265–12,548) | 15,158 (14,659–15,657) |
All pairwise combinations have P < 0.001.
a
Adjusted for age, sex, race, income quartile, payer status, year of admission, hospital bed size, hospital location by US census region, hospital location by urban/rural location, hospital teaching status, emergency/elective surgery, Charlson comorbidity score categories, endovascular revascularization, open revascularization, minor amputation, type of co-occurring lower limb pathology, and length of stay.