Table 3. %(A − E)/E for Performance Measures by SES Percentile of Counties.
| Measure | Low SES | SES 25%-50% |
SES 50%-75% |
High SES | ||
|---|---|---|---|---|---|---|
| SES 0%-10% |
SES 0%-25% |
SES 75%-100% |
SES 90%-100% |
|||
| Population | ||||||
| Hospital admissions (PPAs) | 7.5 | 7.2 | 1.7 | −2.0 | −2.7 | −4.5 |
| ED visits (PPVs) | 3.3 | 3.3 | 1.0 | 0.9 | −3.5 | −6.1 |
| Postacute care | ||||||
| Readmissions (PPR) | 6.1 | 4.0 | 3.0 | −0.8 | −4.1 | −5.1 |
| Return to ED (PPRED) | 5.9 | 6.9 | 0.3 | 0.9 | −4.2 | −5.7 |
| Quality | ||||||
| Inpatient complications (PPC) | 1.8 | 1.4 | 1.5 | −0.4 | −1.7 | −0.6 |
| Surgical mortality | 6.3 | 8.1 | 0.0 | 1.9 | −5.8 | −9.3 |
| Service volume | ||||||
| ED admits | −10.5 | −10.0 | −0.3 | 0.7 | 4.7 | 7.6 |
| PAC facility admissions | −12.8 | −9.3 | −2.1 | 1.6 | 4.3 | 6.6 |
| Ambulatory visits (PCME) | −6.0 | −6.5 | −1.2 | 2.4 | 1.3 | 2.6 |
Abbreviations: ED, emergency department; PPA, potentially preventable admission; PPV, potentially preventable emergency department visit; SES, socioeconomic status.