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Table 2.33
Obstetric trauma with 3rd degree, 4th degree, or other obstetric lacerations per 1,000 instrument-assisted vaginal deliveries, United States, 2001 and 2003
    2003 2001
Population group Ratea Standard error Ratea Standard error
Total 235.1 2.0 241.4 2.0
Age 10-14 275.7 32.9 276.6 29.5
15-17 255.5 7.9 254.1 7.8
18-24 238.9 3.4 251.8 3.3
25-34 264.9 2.9 267.1 2.8
35-54 219.5 5.1 228.7 5.0
Median income of patient's ZIP Code Less than $25,000 200.9 9.9 211.2 7.7
$25,000-$34,999 210.5 4.4 223.4 4.0
$35,000-$44,999 220.8 3.5 237.3 3.6
$45,000 or more 252.2 2.6 252.9 2.6
Location of patient residence Metropolitan-large 237.2 2.5 237.6 2.4
Metropolitan-small 232.3 3.4 255.8 3.4
Micropolitan 228.1 6.0 232.0 5.8
Noncore 240.2 7.5 228.3 7.4
Expected payment source Private insurance 255.5 2.5 255.6 2.4
Medicare 264.9 33.9 227.0 29.0
Medicaid 200.5 3.2 212.5 3.2
Other insurance 232.8 10.9 245.5 10.2
Uninsured/self pay/no charge 225.2 10.7 251.5 9.4
Region of inpatient treatment Northeast 217.3 5.1 242.1 4.9
Midwest 274.3 3.7 265.6 4.0
South 226.2 3.0 241.5 2.9
West 218.9 3.6 222.4 3.3
Ownership/control of hospital Private, not-for-profit 244.9 2.3 250.7 2.2
Private, for-profit 188.4 4.2 202.8 4.3
Public 244.5 5.1 233.5 5.0
Teaching status of hospital Teaching 274.3 3.3 272.6 3.2
Non-teaching 217.3 2.3 226.5 2.3
Location of hospital Metropolitan-large 236.6 2.5 237.0 2.4
Metropolitan-small 235.2 3.2 258.2 3.3
Micropolitan 224.2 6.2 223.9 5.8
Noncore 237.5 10.2 217.8 10.5
Bed size of hospital Less than 100 218.0 5.2 221.0 5.0
100-299 226.4 2.9 234.3 2.9
300-499 247.7 3.4 241.3 3.2
500 or more 246.3 4.2 272.0 4.3

a Estimates are adjusted by age. When reporting is by age, there is no adjustment.

Source: Agency for Healthcare Research and Quality, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample.

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