Table 1.
Health System Encounter and Claims Data Sources Used to Disaggregate Spending by Condition, Age and Sex Groups, and Type of Care
| Microdata Source | Years | Observations | Metrica | Mean Patient-Weighted Metricb |
|---|---|---|---|---|
| Ambulatory Care | ||||
| MEPS | 1996–2013 | 2 680 505 | Spending ($US billions) | 302.68 |
| Visits (thousands) | 1 601 515.67 | |||
| NAMCS/NHAMCS | 1996–2011 | 955 958 | Visits (thousands) | 98 469.18 |
| MarketScanc | 2000, 2010, 2012 | 1 134 628 128 | Treated prevalence | NA |
| Inpatient Care | ||||
| NIS | 1996–2012 | 128 223 548 | Spending ($US billions) | 781.50 |
| Bed days (thousands) | 167 161.94 | |||
| MarketScanc | 2000, 2010, 2012 | 65 679 028 | Treated prevalence | NA |
| Emergency Department Care | ||||
| MEPS | 1996–2013 | 89 462 | Spending ($US billions) | 30.47 |
| Visits (thousands) | 45 457.97 | |||
| NHAMCS | 1996–2011 | 464 279 | Visits (thousands) | 82 089.07 |
| MarketScanc | 2000, 2010, 2012 | 77 566 041 | Treated prevalence | NA |
| Nursing Facility Care | ||||
| Medicare Claims Datad | 1999–2001, 2002, 2004, 2006, 2008, 2010, 2012 | 25 449 729 | Spending ($US billions) | 30.44 |
| Bed days (thousands) | 68 451.04 | |||
| NNHS | 1997, 1999, 2004 | 23 428 | Spending ($US billions) | 50.50 |
| Bed days (thousands) | 403 564.31 | |||
| MarketScanc | 2000, 2010, 2012 | 7 735 120 | Treated prevalence | NA |
| MCBS | 1999–2011 | 12 608 021 | ||
| Dental Care | ||||
| MEPS | 1996–2013 | 488 922 | Spending ($US billions) | 69.46 |
| Visits (thousands) | 278 481.55 | |||
| Prescribed Retail Pharmaceuticals | ||||
| MEPS | 1996–2013 | 4 908 359 | Spending ($US billions) | 189.37 |
| Visits (thousands) | 2 748 649.75 | |||
Abbreviations: MCBS, Medicare Current Beneficiaries Survey; MEPS, Medical Expenditure Panel Survey; NA, not applicable; NAMCS, National Ambulatory Medical Care Survey; NHAMCS, National Hospital Ambulatory Medical Care Survey; NIS, National Inpatient Sample; NNHS, National Nursing Home Survey.
Metric indicates what each data source was used to estimate or model.
Mean patient-weighted metric is the average across time for the measurement of each metric. This measurement was adjusted to be nationally representative using the provided survey patient-weights.
MarketScan was developed by Truven Health Analytics.
Medicare Claims Data refers to the Limited Data Set from the Center for Medicare & Medicaid Services.