Statistical Profile — NORTHSHORE UNIVERSITY HEALTHSYSTEM
CCN 140010 | COOK, IL | 5 outlier flags
🛡️ Public data only — no PHI permitted on this instance.
672
Beds
$2.27B
Net Revenue
1.1%
Op Margin
70.3%
Occupancy
5
Outlier Flags
Statistical Outliers (5)
Metrics where this hospital is >2 standard deviations from the national mean. Investigate in diligence — could signal operational issues or data quality problems.
- Beds: +2.9σ above national mean
- Net Patient Revenue: +4.4σ above national mean
- Operating Expenses: +4.1σ above national mean
- Gross Patient Revenue: +3.6σ above national mean
- Total Patient Days: +3.6σ 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 | 672 | 63 | 110 | +2.95σ | P98 ▲ | P98 ▲ |
| Net Patient Revenue | $2.27B | $59.7M | $87.9M | +4.38σ | P99 ▲ | P98 ▲ |
| Operating Expenses | $2.24B | $62.7M | $99.1M | +4.15σ | P99 ▲ | P98 ▲ |
| Net Income | $25.4M | $-2.1M | $-4.0M | +0.26σ | P91 ▲ | P89 |
| Gross Patient Revenue | $7.69B | $186.6M | $329.5M | +3.57σ | P99 ▲ | P98 ▲ |
| Total Patient Days | 216,025 | 12,073 | 16,983 | +3.59σ | P98 ▲ | P98 ▲ |
| Medicare Day % | 40.1% | 30.9% | 35.8% | +0.31σ | P68 | P59 |
| Medicaid Day % | 8.2% | 5.1% | 3.5% | -0.10σ | P66 | P82 |
| Operating Margin | 1.1% | -4.8% | -5.3% | +0.38σ | P65 | P66 |
| Revenue per Bed | $3.4M | $1.2M | $1.4M | +0.98σ | P94 ▲ | P94 ▲ |
| Occupancy Rate | 70.3% | 53.7% | 48.0% | +0.73σ | P72 | P77 |
| Commercial Payer % | 51.7% | 61.2% | 60.2% | -0.36σ | P34 | P35 |
| Net-to-Gross Ratio | 29.5% | 33.3% | 31.2% | -0.43σ | P41 | P44 |
| Expense per Bed | $3.3M | $1.2M | $1.4M | +0.73σ | P93 ▲ | P95 ▲ |
| Revenue per Patient Day | 10,498 | 7,054 | 8,284 | -0.04σ | P68 | P61 |
| Payer Diversity Index | 0.566 | 0.473 | 0.485 | +0.90σ | P87 | P95 ▲ |
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% | $2.27B | $1.78B | +1.91σ |
| Operating Margin | 2.1% | 0.0112 | 0.0727 | -0.32σ |
| Occupancy Rate | 44.3% | 0.7034 | 0.9223 | -1.20σ |
| Revenue Per Bed | 2.6% | $3.4M | $2.3M | +0.56σ |
| Net To Gross Ratio | 22.4% | 0.2948 | 0.0145 | +1.62σ |