Table 2.
Distribution of actual, need-expected, and need-standardized use of outpatient and inpatient services use among patients with arthritis by socioeconomic status
| Socioeconomic status | Outpatient services use | Inpatient services use | ||||
|---|---|---|---|---|---|---|
| Actual use | Need-Expected | Need-Standardized | Actual use | Need-Expected | Need-Standardized | |
| Quintile 1 (lowest) | 19.97% | 22.90% | 20.05% | 17.23% | 21.90% | 16.31% |
| Quintile 2 | 20.16% | 22.83% | 20.31% | 18.06% | 21.25% | 17.79% |
| Quintile 3 | 26.17% | 23.31% | 25.83% | 20.08% | 20.98% | 20.08% |
| Quintile 4 | 23.82% | 23.18% | 23.63% | 25.74% | 20.63% | 26.07% |
| Quintile 5 (highest) | 25.28% | 22.62% | 25.64% | 25.93% | 20.15% | 26.76% |
| All | 23.18% | 22.98% | 23.18% | 21.45% | 20.97% | 21.45% |
| CI | 0.0449* | −0.0089* | 0.0537* | 0.0985** | -0.0281** | 0.1260** |
Abbreviation CI, concentration index. *p < 0.05, **p < 0.001