Statistical Profile — MEMORIAL HERMANN HOSPITAL SYS
CCN 450184 | HARRIS, TX | 5 outlier flags
🛡️ Public data only — no PHI permitted on this instance.
1,417
Beds
$2.15B
Net Revenue
7.3%
Op Margin
71.9%
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: +7.0σ above national mean
- Net Patient Revenue: +4.1σ above national mean
- Operating Expenses: +3.6σ above national mean
- Gross Patient Revenue: +4.7σ above national mean
- Total Patient Days: +6.6σ above national mean
Statistical Profile — All Variables
Each metric compared to national (n=6,123) and TX (n=583) peers. Z-score shows standard deviations from national mean.
| Metric | Hospital | Nat'l Median | TX Median | Z-Score | Nat'l %ile | State %ile |
|---|---|---|---|---|---|---|
| Beds | 1,417 | 63 | 54 | +7.03σ | P100 ▲ | P99 ▲ |
| Net Patient Revenue | $2.15B | $59.7M | $36.3M | +4.12σ | P99 ▲ | P99 ▲ |
| Operating Expenses | $1.99B | $62.7M | $37.1M | +3.62σ | P98 ▲ | P98 ▲ |
| Net Income | $155.8M | $-2.1M | -315,113 | +1.17σ | P99 ▲ | P98 ▲ |
| Gross Patient Revenue | $9.86B | $186.6M | $134.7M | +4.71σ | P99 ▲ | P99 ▲ |
| Total Patient Days | 371,820 | 12,073 | 10,290 | +6.61σ | P100 ▲ | P100 ▲ |
| Medicare Day % | 16.2% | 30.9% | 28.1% | -0.89σ | P18 | P21 |
| Medicaid Day % | 9.2% | 5.1% | 1.9% | -0.02σ | P70 | P85 |
| Operating Margin | 7.3% | -4.8% | -0.7% | +0.69σ | P78 | P65 |
| Revenue per Bed | $1.5M | $1.2M | 843,354 | +0.02σ | P63 | P78 |
| Occupancy Rate | 71.9% | 53.7% | 52.9% | +0.79σ | P74 | P74 |
| Commercial Payer % | 74.6% | 61.2% | 69.3% | +0.76σ | P79 | P63 |
| Net-to-Gross Ratio | 21.8% | 33.3% | 28.5% | -0.80σ | P22 | P33 |
| Expense per Bed | $1.4M | $1.2M | 933,465 | -0.07σ | P57 | P73 |
| Revenue per Patient Day | 5,769 | 7,054 | 5,735 | -0.05σ | P39 | P50 |
| Payer Diversity Index | 0.408 | 0.473 | 0.412 | -0.20σ | P29 | P49 |
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% | $2.15B | $2.76B | -2.41σ |
| Operating Margin | 2.1% | 0.0726 | -0.0761 | +0.78σ |
| Occupancy Rate | 44.3% | 0.7189 | 0.7763 | -0.31σ |
| Revenue Per Bed | 2.6% | $1.5M | $1.6M | -0.02σ |
| Net To Gross Ratio | 22.4% | 0.2175 | 0.1759 | +0.24σ |