Table 3.
Sample Statistics
| Mean | Median | Standard Deviation | Minimum | Maximum | |
| ACSCRATE | 99.55 | 94.19 | 35.22 | 0.00 | 468.29 |
| XMEN | 0.41 | 0.41 | 0.03 | 0.29 | 0.68 |
| XDUAL | 0.14 | 0.11 | 0.10 | 0.00 | 0.76 |
| XBLACK | 0.06 | 0.01 | 0.12 | 0.00 | 0.99 |
| XOTHER | 0.03 | 0.01 | 0.07 | 0.00 | 0.94 |
| XDIED | 0.06 | 0.06 | 0.01 | 0.00 | 0.13 |
| XOLDER | 0.29 | 0.29 | 0.05 | 0.00 | 0.59 |
| RISK | 0.82 | 0.81 | 0.08 | 0.54 | 1.72 |
| HIQUINT | 0.37 | 0.36 | 0.06 | 0.05 | 0.73 |
| XDIAB | 0.15 | 0.14 | 0.06 | 0.00 | 0.85 |
| XELDERPOV | 0.11 | 0.09 | 0.06 | 0.00 | 0.57 |
| POVRATIO | 0.90 | 0.84 | 0.36 | 0.00 | 4.13 |
| XTRURELD | 0.70 | 0.82 | 0.33 | 0.00 | 1.15 |
| RURATIO | 2.23 | 1.58 | 3.25 | 0.73 | 66.00 |
| XTRURELD* XELDERPOV | 0.08 | 0.07 | 0.07 | 0.00 | 0.46 |
| XLIVALONE | 0.28 | 0.29 | 0.04 | 0.08 | 0.58 |
| XLCOMUTE | 0.08 | 0.07 | 0.05 | 0.00 | 0.41 |
| XPOORNE | 0.02 | 0.00 | 0.06 | 0.00 | 0.84 |
| PDENSITY | 915.45 | 62.18 | 4526.54 | 0.32 | 101144.30 |
| BEDREHAB | 3.96 | 0.00 | 14.09 | 0.00 | 213.00 |
| VISITS | 9.83 | 9.45 | 2.23 | 0.00 | 25.23 |
| TOTDOCS | 0.608 | 0.549 | 0.454 | 0.00 | 6.93 |
| ALT_DOC | 0.12 | 0.12 | 0.05 | 0.04 | 0.40 |
| IMG_RATIO | 0.45 | 0.27 | 0.95 | 0.00 | 38.34 |
| IMG_RATIO* XTRURELD* XELDERPOV | 0.03 | 0.01 | 0.13 | 0.00 | 4.98 |
| MCPENE00 | 0.09 | 0.01 | 0.13 | 0.00 | 0.55 |
| CINCREASE | 0.16 | 0.00 | 0.35 | 0.00 | 1.00 |
| XHMO00 | 0.24 | 0.22 | 0.13 | 0.01 | 0.54 |
| XHMODIF | 0.54 | 0.51 | 0.46 | -1.07 | 2.00 |
| XPPO00 | 0.20 | 0.18 | 0.08 | 0.03 | 0.47 |
| XPPODIF | 0.04 | 0.05 | 0.12 | -0.32 | 0.40 |
| SHRLARG3 | 53.15 | 53.00 | 14.99 | 23.00 | 92.00 |
| PRICE00A | 837.26 | 816.24 | 97.96 | 665.76 | 1168.73 |
| ECOV97_9 | 32.27 | 32.00 | 6.80 | 19.10 | 52.80 |