Statistical Profile — CHESTNUT HILL BENEVOLENT ASSOCIATION
CCN 221990 | NORFOLK, MA | 2 outlier flags
🛡️ Public data only — no PHI permitted on this instance.
20
Beds
$2.8M
Net Revenue
-50.0%
Op Margin
17.3%
Occupancy
2
Outlier Flags
Statistical Outliers (2)
Metrics where this hospital is >2 standard deviations from the national mean. Investigate in diligence — could signal operational issues or data quality problems.
- Operating Margin: -2.2σ below national mean
- Net-to-Gross Ratio: +2.9σ above national mean
Statistical Profile — All Variables
Each metric compared to national (n=6,123) and MA (n=99) peers. Z-score shows standard deviations from national mean.
| Metric | Hospital | Nat'l Median | MA Median | Z-Score | Nat'l %ile | State %ile |
|---|---|---|---|---|---|---|
| Beds | 20 | 63 | 125 | -0.62σ | P10 | P3 ▼ |
| Net Patient Revenue | $2.8M | $59.7M | $149.8M | -0.47σ | P1 ▼ | P0 ▼ |
| Operating Expenses | $8.8M | $62.7M | $150.2M | -0.45σ | P5 ▼ | P1 ▼ |
| Net Income | $-6.0M | $-2.1M | $-15.4M | +0.05σ | P35 | P66 |
| Gross Patient Revenue | $2.8M | $186.6M | $360.1M | -0.46σ | P0 ▼ | P0 ▼ |
| Total Patient Days | 1,262 | 12,073 | 32,860 | -0.59σ | P10 | P0 ▼ |
| Medicare Day % | 51.3% | 30.9% | 33.5% | +0.87σ | P81 | P86 |
| Operating Margin | -50.0% | -4.8% | -12.2% | -2.17σ | P0 ▼ | P0 ▼ |
| Revenue per Bed | 142,292 | $1.2M | $1.4M | -0.69σ | P3 ▼ | P0 ▼ |
| Occupancy Rate | 17.3% | 53.7% | 70.6% | -1.36σ | P11 | P0 ▼ |
| Commercial Payer % | 48.7% | 61.2% | 53.7% | -0.51σ | P29 | P34 |
| Net-to-Gross Ratio | 100.0% | 33.3% | 43.6% | +2.94σ | P98 ▲ | P99 ▲ |
| Expense per Bed | 442,108 | $1.2M | $1.5M | -0.47σ | P18 | P27 |
| Revenue per Patient Day | 2,255 | 7,054 | 5,549 | -0.07σ | P20 | P25 |
| Payer Diversity Index | 0.500 | 0.473 | 0.530 | +0.44σ | P65 | P37 |
Multi-Variable Regression Residuals
For each key metric, the national regression model predicts a value. The residual shows how much this hospital over/under-performs after controlling for all other variables.
| Target | Model R² | Actual | Predicted | Residual |
|---|---|---|---|---|
| Net Patient Revenue | 74.0% | $2.8M | nan | +nanσ |
| Operating Margin | 2.1% | -0.5000 | nan | +nanσ |
| Occupancy Rate | 44.3% | 0.1729 | nan | +nanσ |
| Revenue Per Bed | 2.6% | 142,292 | nan | +nanσ |
| Net To Gross Ratio | 22.4% | 1.0000 | nan | +nanσ |