Table 2.
Associations between the characteristics of patient networks and the relative odds of emergency department (ED) visits and hospitalizations for having one or more outcome and for having repeat outcomes among patients having one or more
| Characteristics of Patient Networks | Outcome | Tertile of Number Shared | Relative Odds of | Relative Rates | ||
|---|---|---|---|---|---|---|
| One or More Outcomes | of Repeat Outcomes | |||||
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| OR (95% CI) | P value | RR (95% CI) | P value | |||
| Patients sharing one or more | ED visits | Highest | 3.61 (2.67, 4.87) | < 0.001 | 0.82 (0.65, 1.04) | 0.10 |
| physicians | Middle | 1.70 (1.22, 2.36) | < 0.001 | 0.71 (0.53, 0.95) | 0.02 | |
| Lowest | 1 | -- | 1 | -- | ||
| Hospitalizations | Highest | 2.22 (1.67, 2.95) | < 0.001 | 1.35 (1.19, 1.54) | 0.00 | |
| Middle | 1.04 (0.80, 1.36) | 0.76 | 1.06 (0.92, 1.22) | 0.39 | ||
| Lowest | 1 | -- | 1 | -- | ||
| Patients seeing the same | ED Visits | Highest | 1.12 (0.86, 1.46) | 0.40 | 0.72 (0.59, 0.88) | < 0.001 |
| primary physician | Middle | 1.12 (0.86, 1.46) | 0.40 | 0.97 (0.87, 1.07) | 0.53 | |
| Lowest | 1 | -- | 1 | -- | ||
| Hospitalizations | Highest | 0.97 (0.75, 1.26) | 0.84 | 0.95 (0.86, 1.06) | 0.40 | |
| Middle | 0.97 (0.75, 1.26) | 0.83 | 0.97 (0.87, 1.07) | 0.53 | ||
| Lowest | 1 | -- | 1 | -- | ||
| Patients seeing all of the | ED Visits | Highest | 0.30 (0.22, 0.41) | < 0.001 | 0.75 (0.60, 0.95) | 0.02 |
| same physicians | Middle | 0.42 (0.30, 0.58) | < 0.001 | 0.96 (0.76, 1.21) | 0.74 | |
| Lowest | 1 | -- | 1 | -- | ||
| Hospitalizations | Highest | 0.29 (0.22, 0.40) | < 0.001 | 0.88 (0.78, 1.00 | 0.06 | |
| Middle | 0.31 (0.23, 0.42) | < 0.001 | 0.83 (0.73, 0.94) | < 0.001 | ||
| Lowest | 1 | -- | 1 | -- | ||