TABLE 4.
Concordance Between and Mean Numbers of Newborns With NAS or OE and Mothers With OUD at the Hospital Level Overall and by State
| No. Hospitals | Mean (Range) Newborns With NAS or OE | Mean (Range) Mothers With OUD | Pa | Correlation Coefficient, r | P for Correlation Coefficient | |
|---|---|---|---|---|---|---|
| Overall | 474 | 23.3 (0–316) | 11.5 (0–269) | <.001 | 0.81 | <.001 |
| California | 227 | 17.8 (0–98) | 5.7 (0–44) | <.001 | 0.69 | <.001 |
| Florida | 105 | 33.5 (0–316) | 14.5 (0–118) | <.001 | 0.82 | <.001 |
| New Jersey | 49 | 16.0 (0–67) | 14.0 (0–55) | .1164 | 0.83 | <.001 |
| Pennsylvania | 93 | 28.8 (0–289) | 20.8 (0–269) | <.001 | 0.93 | <.001 |
P values are from paired t tests.