Table 2.
Number of Counties in Funnel Plots Regarding Crude and Adjusted Rates of Ambulatory Care–Sensitive Hospitalizations
| Number of Counties below 95% Interval (Bonferroni Correction) | Number of Counties above 95% Interval (Bonferroni Correction) | Number of Improved Counties after Adjustmenta | Number of Worsened Counties after Adjustmentb | |
|---|---|---|---|---|
| Crude rates (per 100,000) | ||||
| Hypertension | 113 | 133 | ||
| Diabetes | 116 | 119 | ||
| Heart failure | 111 | 138 | ||
| COPD | 114 | 95 | ||
| Adjusted rates (per 100,000) | ||||
| Hypertension | 98 | 105 | 63 | 58 |
| Diabetes | 85 | 80 | 78 | 76 |
| Heart failure | 95 | 85 | 87 | 57 |
| COPD | 79 | 63 | 71 | 74 |
a
Counties that were above/in between control limits before adjustment and are in between/below control limits after adjustment.
b
Counties that were below/in between control limits before adjustment and are in between/above control limits after adjustment.