Exhibit 2.9. Mental Health Number and Distribution of Discharges by Age for Stays with a Principal Diagnosis of a Mental Health Condition, 2005
Age Group Total All Conditions CCS Category and Name
650 652 653 657 659 660 651, 654-656, 658, 661
Adjustment disorders Attention-deficit/ conduct/ disruptive behavior disorders Delirium/ dementia/ amnestic/ other cognitive disorders Mood disorders Schizophrenia and other psychotic disorders Substance-related disorders All other mental disorders
Discharges
All ages 1,765,200 40,200 17,900 133,000 713,400 372,700 401,000 86,900
<1 * * * 100 1,300 * * *
1-17 127,500 6,200 16,700 800 73,300 6,200 4,300 20,000
18-44 843,200 25,200 800 2,400 363,700 196,800 217,800 36,500
45-64 522,400 7,000 200 9,400 203,500 132,900 150,000 19,300
65-84 208,500 1,400 200 79,200 62,900 31,000 24,500 *
85+ 59,100 300 - 41,000 8,600 4,700 2,700 *
Standard Errors
All ages 89,152 3,805 3,685 6,247 43,740 29,364 33,108 5,200
<1 * * * 17 379 * * *
1-17 16,343 1,325 3,650 134 10,565 889 515 2,673
18-44 48,723 2,441 111 137 23,010 16,455 20,905 2,561
45-64 27,781 722 32 509 12,297 10,905 11,674 890
65-84 9,492 138 41 3,999 4,191 2,552 1,016 *
85+ 2,869 37 11 1,997 956 463 164 *
Percent Distribution Within Age Group
All ages 100.0 2.3 1.0 7.5 40.4 21.1 22.7 4.9
<1 * * * * * * * *
1-17 100.0 4.9 13.1 0.6 57.5 4.8 3.4 15.7
18-44 100.0 3.0 0.1 0.3 43.1 23.3 25.8 4.3
45-64 100.0 1.3 0.0 1.8 39.0 25.4 28.7 3.7
65-84 100.0 0.7 0.1 38.0 30.2 14.9 11.8 *
85+ 100.0 0.4 0.0 69.5 14.5 7.9 4.6 *
Source: AHRQ, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample, 2005.
* Statistic has a relative standard error (standard error/weighted estimate) greater than 0.30 and is not considered reliable.

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