Table 4.
Financial characteristics of malaria-related hospitalizations in the United States, NIS, 2000–2014
| Unweighted frequency | Percent of malaria-related hospitalizations | Weighted frequency | Lower 95% CL weight frequency | Upper 95% CL weight frequency | |
|---|---|---|---|---|---|
| Hospital charges* | |||||
| Mean (range) | 25,789 | (194) | (1,021,738) | 24,478 | 27,101 |
| Missing | 104 | 0.0 | 492 | – | – |
| Income* | |||||
| High | 2,492 | 54.3 | 11,955 | 11,274 | 12,636 |
| Low | 1,806 | 39.7 | 8,742 | 8,108 | 9,375 |
| Missing | 274 | 6.1 | 1,333 | – | – |
| Primary payer | |||||
| Medicare | 317 | 6.9 | 1,516 | 1,338 | 1,694 |
| Medicaid | 871 | 19.3 | 4,260 | 3,828 | 4,692 |
| Private insurance | 2,072 | 45.1 | 9,936 | 9,392 | 10,481 |
| Self-pay | 989 | 21.6 | 4,762 | 4,320 | 5,203 |
| No charge | 93 | 2.0 | 451 | 320 | 581 |
| Other | 217 | 4.7 | 1,043 | 884 | 1,202 |
| Missing | 13 | 0.3 | 62 | – | – |
| Total | 4,572 | 100.0 | 22,029 | 21,001 | 23,057 |
CL = confidence level; NIS = Nationwide Inpatient Sample. Unweighted frequencies are the raw frequencies in the NIS, and weighted raw frequencies represent national estimates.
Adjusted for inflation to 2015 US dollars. Income category is based on median household income by national quartiles for patient zip code.