Statistical Profile — NORTHWESTERN LAKE FOREST HOSPITAL
CCN 140130 | LAKE, IL | 1 outlier flags
🛡️ Public data only — no PHI permitted on this instance.
124
Beds
$494.3M
Net Revenue
-13.8%
Op Margin
113.1%
Occupancy
1
Outlier Flags
Statistical Outliers (1)
Metrics where this hospital is >2 standard deviations from the national mean. Investigate in diligence — could signal operational issues or data quality problems.
- Occupancy Rate: +2.4σ above national mean
Statistical Profile — All Variables
Each metric compared to national (n=6,123) and IL (n=208) peers. Z-score shows standard deviations from national mean.
| Metric | Hospital | Nat'l Median | IL Median | Z-Score | Nat'l %ile | State %ile |
|---|---|---|---|---|---|---|
| Beds | 124 | 63 | 110 | -0.05σ | P67 | P55 |
| Net Patient Revenue | $494.3M | $59.7M | $87.9M | +0.59σ | P88 | P89 |
| Operating Expenses | $562.6M | $62.7M | $99.1M | +0.69σ | P90 | P90 |
| Net Income | $-68.3M | $-2.1M | $-4.0M | -0.39σ | P7 ▼ | P8 ▼ |
| Gross Patient Revenue | $2.97B | $186.6M | $329.5M | +1.09σ | P92 ▲ | P92 ▲ |
| Total Patient Days | 48,321 | 12,073 | 16,983 | +0.33σ | P80 | P79 |
| Medicare Day % | 35.5% | 30.9% | 35.8% | +0.07σ | P60 | P49 |
| Medicaid Day % | 4.2% | 5.1% | 3.5% | -0.42σ | P44 | P55 |
| Operating Margin | -13.8% | -4.8% | -5.3% | -0.37σ | P29 | P26 |
| Revenue per Bed | $4.0M | $1.2M | $1.4M | +1.29σ | P96 ▲ | P97 ▲ |
| Occupancy Rate | 113.1% | 53.7% | 48.0% | +2.41σ | P100 ▲ | P100 ▲ |
| Commercial Payer % | 60.4% | 61.2% | 60.2% | +0.06σ | P48 | P50 |
| Net-to-Gross Ratio | 16.6% | 33.3% | 31.2% | -1.05σ | P11 | P2 ▼ |
| Expense per Bed | $4.5M | $1.2M | $1.4M | +1.23σ | P97 ▲ | P98 ▲ |
| Revenue per Patient Day | 10,229 | 7,054 | 8,284 | -0.04σ | P67 | P59 |
| Payer Diversity Index | 0.508 | 0.473 | 0.485 | +0.50σ | P70 | P69 |
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% | $494.3M | $416.0M | +0.31σ |
| Operating Margin | 2.1% | -0.1382 | -0.0332 | -0.55σ |
| Occupancy Rate | 44.3% | 1.1308 | 0.7296 | +2.20σ |
| Revenue Per Bed | 2.6% | $4.0M | $2.1M | +0.97σ |
| Net To Gross Ratio | 22.4% | 0.1663 | 0.3808 | -1.24σ |