Table 3.
Gold Standard Agreement for Maternal Cohort* versus Proxy Measure by Hospital
| Mean | Quartile Root Mean Squared Difference—Actual versus Expected Race/Ethnicity | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | p | ||
| N (hospitals) | 261 | 66 | 64 | 65 | 66 | – |
| Root mean squared difference—actual versus expected race/ethnicity (mean %) | 13.5 | 5.7 | 10.8 | 14.9 | 22.4 | – |
| No. of discharges per hospital (mean) | 4,001 | 4,463 | 3,661 | 4,515 | 3,451 | 0.43 |
| % Discharges (race; white) | 77.6 | 84.2 | 80.4 | 73.1 | 72.2 | <0.01 |
| % Discharges (Hispanic) | 50.6 | 67.4 | 46.2 | 46.9 | 42.0 | <0.01 |
| % Mismatch (race; overall) | 29.6 | 36.7 | 26.4 | 30.4 | 24.5 | 0.35 |
| % Mismatch (race; whites) | 27.6 | 37.2 | 22.6 | 29.7 | 20.1 | 0.29 |
| % Mismatch (race; nonwhites) | 45.3 | 45.4 | 51.8 | 42.4 | 42.1 | 0.16 |
| % Mismatch (race/ethnicity) | 15.4 | 10.0 | 14.9 | 15.6 | 21.5 | <0.01 |
| % Mismatch (Hispanic) | 18.2 | 9.1 | 19.3 | 17.3 | 27.5 | <0.01 |
| % Mismatch (non-Hispanic) | 20.6 | 24.7 | 19.1 | 19.8 | 19.0 | 0.01 |
| % Unknown (race/ethnicity) | 0.91 | 0.70 | 1.04 | 1.17 | 0.75 | 0.34 |
| % Other (race/ethnicity) | 2.68 | 1.87 | 2.41 | 2.93 | 3.56 | 0.01 |
*
PDD 2008–2009 versus Birth Cohort 2008–2009.