Table B. Standard errors for total medical expensesa for injury-related conditions: United States, 1997 Corresponds to Table 2 Injury-related total expenses Average total expense per injury episode Population characteristic Total in thousands Per capita Percent of total expenses due to injuryb Median Mean Standard error Total 4,095,234 15 0.7 10 90 Age in years Under 16 401,437 6 0.9 11 52 16-24 2,013,786 60 5.1 30 347 25-44 2,286,031 27 1.7 18 148 45-64 1,469,478 26 1.0 25 130 65 and over 2,179,019 63 1.1 36 355 Sex Male 3,695,705 28 1.5 13 158 Female 1,364,078 10 0.5 15 61 Race/ethnicity Hispanic 718,390 23 1.7 27 196 Black 455,118 13 1.0 28 107 White 4,168,822 22 0.9 12 114 Other 471,449 42 3.5 55 412 Health insurance statusc Under age 65: Any private 2,945,704 17 1.0 11 97 Public only 783,826 28 1.4 28 196 Uninsured 1,764,058 53 6.4 28 440 Age 65 and over: Medicare only 456,719 52 1.1 74 267 Medicare and private 2,126,987 96 1.7 45 526 Medicare and other public 281,653 79 1.1 137 409 Poverty statusd Poor 914,882 24 1.1 21 152 Near-poor 504,705 40 1.6 40 230 Low income 1,071,229 28 1.4 28 190 Middle income 1,841,138 21 1.2 19 129 High income 2,835,149 30 1.4 15 167 aTotal medical expenses include inpatient hospital and physician services, ambulatory physician and nonphysician services, and prescribed medicines purchased during the year. Expenses for over-the-counter medications, alternative care services, and telephone contacts are not included. Expenses for durable medical equipment and other miscellaneous items are excluded because it was not possible to determine which of those expenses were associated with injuries. bNumerator is total expenses for injuries. Denominator is total medical expenses for both injury- and non-injury-related conditions. cUninsured 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. dPoor 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. 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. 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 areincluded. 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 mother’s 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.