Table 4. Inpatient medical expensesa for injury-related conditions: United States, 1997 Injury-related inpatient expenses Expense per person with expense Population characteristic Total in thousands Per capita Percent of total inpatient expenses due to injuryb Median Mean Total $21,372,738 $79 10.2 $5,473 $9,510 Age in years Under 16 *818,725 *13 *6.7 *2,363 *5,090 16-24 *4,564,514 *136 *39.6 9,316 *16,966 25-44 4,419,911 53 12.5 4,040 6,060 45-64 4,762,106 85 7.9 5,908 9,631 65 and over 6,807,482 *199 7.6 6,140 11,468 Sex Male 15,313,375 115 *15.4 *5,596 11,194 Female 6,059,363 44 5.5 5,033 6,891 Race/ethnicity Hispanic *1,569,956 *50 9.1 5,588 9,624 Black 1,425,844 42 6.9 4,628 5,936 White 18,081,799 93 10.8 5,525 10,084 Other *295,140 *27 *7.5 *1,251 *5,808 Health insurance statusc Under age 65: Any private 9,880,695 56 10.8 4,862 7,935 Public only 2,054,842 74 10.4 5,243 7,659 Uninsured *2,629,719 *79 *31.7 *8,791 *18,754 Age 65 and over: Medicare only *755,467 *88 *3.8 4,539 7,026 Medicare and private *5,495,520 *249 *9.8 6,362 *13,199 Medicare and other public *556,496 *162 *4.3 6,124 7,979 Poverty statusd Poor 2,874,196 79 8.9 5,203 7,712 Near-poor *916,122 *75 *5.2 *5,835 7,753 Low income 3,099,773 80 10.9 7,826 9,533 Middle income 6,505,736 72 8.9 4,937 8,035 High income *7,976,912 *85 13.9 5,420 12,833 a Room and board and all hospital diagnostic and laboratory expenses associated with the basic facility charge, payments for separately billed physician inpatient services, and emergency room expenses incurred immediately prior to inpatient stays are included. Expenses for hospital discharges that did not involve an overnight stay, which are ambulatory expenses (Table 3), are excluded. Expenses for newborns who left the hospital on the same day as the mother are included in the motherŐs record. b Numerator is inpatient expenses for injuries. Denominator is total inpatient expenses for both injury-and non-injury-related conditions. c For health insurance status, uninsured refers to persons uninsured during the entire year. Public and private health insurance categories refer to individuals with public or private insurance at any time during the period. Individuals with both public and private insurance and those with CHAMPUS or CHAMPVA (Armed-Forces-related coverage) are classified as having private insurance. d Poor refers to family incomes at or below the Federal poverty line; near-poor, over the poverty line through 125 percent of the poverty line; low income, over 125 percent through 200 percent of the poverty line; middle income, over 200 percent to 400 percent of the poverty line; and high income, over 400 percent of the poverty line. *Relative standard error equal to or greater than 30 percent. Note: Restricted to civilian noninstitutionalized population. Source: Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality: Medical Expenditure Panel Survey, 1997.