Statistical Profile — CAMBRIDGE HEALTH ALLIANCE
CCN 220011 | MIDDLESEX, MA | 2 outlier flags
🛡️ Public data only — no PHI permitted on this instance.
225
Beds
$383.9M
Net Revenue
-50.0%
Op Margin
49.7%
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.
- Net Income: -3.8σ below national mean
- Operating Margin: -2.2σ below 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 | 225 | 63 | 125 | +0.50σ | P82 | P74 |
| Net Patient Revenue | $383.9M | $59.7M | $149.8M | +0.35σ | P84 | P76 |
| Operating Expenses | $946.4M | $62.7M | $150.2M | +1.48σ | P95 ▲ | P88 |
| Net Income | $-562.5M | $-2.1M | $-15.4M | -3.82σ | P1 ▼ | P5 ▼ |
| Gross Patient Revenue | $1.06B | $186.6M | $360.1M | +0.09σ | P77 | P78 |
| Total Patient Days | 40,783 | 12,073 | 32,860 | +0.18σ | P77 | P62 |
| Medicare Day % | 15.4% | 30.9% | 33.5% | -0.93σ | P16 | P20 |
| Medicaid Day % | 19.1% | 5.1% | 9.4% | +0.76σ | P86 | P80 |
| Operating Margin | -50.0% | -4.8% | -12.2% | -2.17σ | P0 ▼ | P0 ▼ |
| Revenue per Bed | $1.7M | $1.2M | $1.4M | +0.12σ | P69 | P58 |
| Occupancy Rate | 49.7% | 53.7% | 70.6% | -0.09σ | P45 | P14 |
| Commercial Payer % | 65.5% | 61.2% | 53.7% | +0.31σ | P60 | P76 |
| Net-to-Gross Ratio | 36.1% | 33.3% | 43.6% | -0.12σ | P56 | P30 |
| Expense per Bed | $4.2M | $1.2M | $1.5M | +1.09σ | P96 ▲ | P92 ▲ |
| Revenue per Patient Day | 9,413 | 7,054 | 5,549 | -0.04σ | P63 | P86 |
| Payer Diversity Index | 0.511 | 0.473 | 0.530 | +0.52σ | P71 | P42 |
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% | $383.9M | $245.1M | +0.54σ |
| Operating Margin | 2.1% | -0.5000 | -0.0779 | -2.22σ |
| Occupancy Rate | 44.3% | 0.4966 | 0.4712 | +0.14σ |
| Revenue Per Bed | 2.6% | $1.7M | $1.2M | +0.25σ |
| Net To Gross Ratio | 22.4% | 0.3607 | 0.3056 | +0.32σ |