Using Claims Data to Generate Clinical Flags Predicting Short-Term Risk of Continued Psychiatric Hospitalizations
Abstract
Objective:
Methods:
Results:
Conclusions:
Methods
Medicaid claims data
Patterns of service use
Statistical analysis
Results
Descriptive statistics
Observation month | Look-back period | Date of service count calculation | Had 90% Medicaid eligibility during look-back period | Used acute psychiatric inpatient care (%) | No outpatient visits (%) | No psychotropic drug fill (%)b | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Start | End | N.Y. | Penn. | N.Y. | Penn. | N.Y. | Penn. | N.Y. | Penn. | ||
1 | Dec. 1, 2008 | March 31, 2009 | April 1, 2009 | 10,205 | 1,680 | 28.3 | 6.9 | 23.6 | 20.2 | 36.4 | 24.6 |
2 | Jan. 1, 2009 | April 30, 2009 | May 1, 2009 | 10,145 | 1,619 | 24.9 | 6.3 | 23.8 | 21.9 | 36.3 | 25.3 |
3 | Feb. 1, 2009 | May 31, 2009 | June 1, 2009 | 10,000 | 1,567 | 20.8 | 5.4 | 25.2 | 23.6 | 37.4 | 27.2 |
4 | March 1, 2009 | June 30, 2009 | July 1, 2009 | 9,884 | 1,514 | 17.7 | 5.7 | 26.1 | 24.9 | 37.8 | 27.3 |
5 | April 1, 2009 | July 31, 2009 | Aug. 1, 2009 | 9,730 | 1,484 | 14.2 | 4.3 | 27.4 | 27.9 | 38.2 | 27.4 |
6 | May 1, 2009 | Aug. 31, 2009 | Sept. 1, 2009 | 9,604 | 1,449 | 13.4 | 3.4 | 28.2 | 28.8 | 38.2 | 29.3 |
7 | June 1, 2009 | Sept. 30, 2009 | Oct. 1, 2009 | 9,511 | 1,420 | 13.0 | 3.0 | 28.6 | 28.5 | 39.0 | 28.7 |
8 | July 1, 2009 | Oct. 31, 2009 | Nov. 1, 2009 | 9,405 | 1,386 | 12.5 | 3.2 | 29.1 | 30.5 | 38.0 | 28.4 |
9 | Aug. 1, 2009 | Nov. 30, 2009 | Dec. 1, 2009 | 9,313 | 1,375 | 11.9 | 3.2 | 29.4 | 30.8 | 37.7 | 29.5 |
10 | Sept. 1, 2009 | Dec. 31, 2009 | Jan. 1, 2010 | 9,206 | 1,361 | 11.3 | 2.5 | 29.6 | 32.0 | 38.0 | 30.4 |
11 | Oct. 1, 2009 | Jan. 31, 2010 | Feb. 1, 2010 | 9,172 | 1,353 | 10.9 | 2.7 | 29.1 | 32.6 | 37.2 | 30.7 |
12 | Nov. 1, 2009 | Feb. 28, 2010 | March 1, 2010 | 9,111 | 1,330 | 10.0 | 2.3 | 30.2 | 33.4 | 37.4 | 32.2 |
13 | Dec. 1, 2009 | March 31, 2010 | April 1, 2010 | 9,048 | 1,323 | 10.3 | 2.9 | 29.3 | 33.1 | 36.8 | 31.1 |
14 | Jan. 1, 2010 | April 30, 2010 | May 1, 2010 | 9,019 | 1,302 | 10.3 | 2.8 | 29.0 | 32.9 | 35.4 | 31.3 |
15 | Feb. 1, 2010 | May 31, 2010 | June 1, 2010 | 8,985 | 1,295 | 10.1 | 2.8 | 29.3 | 32.3 | 36.4 | 34.4 |
16 | March 1, 2010 | June 30, 2010 | July 1, 2010 | 8,957 | 1,292 | 10.8 | 2.6 | 28.9 | 30.3 | 36.4 | 34.2 |
17 | April 1, 2010 | July 31, 2010 | Aug. 1, 2010 | 8,926 | 1,298 | 10.2 | 2.8 | 29.1 | 32.4 | 36.7 | 34.1 |
18 | May 1, 2010 | Aug. 31, 2010 | Sept. 1, 2010 | 8,856 | 1,298 | 10.1 | 2.8 | 28.8 | 33.6 | 36.1 | 35.7 |
19 | June 1, 2010 | Sept. 30, 2010 | Oct. 1, 2010 | 8,811 | 1,286 | 10.3 | 2.9 | 28.5 | 32.6 | 36.2 | 36.0 |
20 | July 1, 2010 | Oct. 31, 2010 | Nov. 1, 2010 | 8,779 | 1,281 | 10.0 | 3.0 | 28.8 | 33.3 | 35.7 | 37.4 |
21 | Aug. 1, 2010 | Nov. 30, 2010 | Dec. 1, 2010 | 8,744 | 1,274 | 9.5 | 2.1 | 29.8 | 34.0 | 36.2 | 37.2 |
22 | Sept. 1, 2010 | Dec. 31, 2010 | Jan. 1, 2011 | 8,703 | 1,267 | 9.2 | 2.1 | 29.4 | 34.6 | 36.1 | 37.8 |
23 | Oct. 1, 2010 | Jan. 31, 2011 | Feb. 1, 2011 | 8,658 | 1,252 | 9.0 | 2.8 | 29.6 | 34.6 | 35.0 | 39.5 |
24 | Nov. 1, 2010 | Feb. 28, 2011 | March 1, 2011 | 8,651 | 1,245 | 8.4 | 2.7 | 29.9 | 35.3 | 35.9 | 40.3 |
Predicting hospitalization from previous flags
Predicting hospitalization from other flags
Discussion
Conclusions
Acknowledgments and disclosures
References
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