Table 1.
Patient characteristics by composite hospital category.
| Overall | C | CLV | CHV | ALV | AHV | P Value | |
|---|---|---|---|---|---|---|---|
| N | 23,279 | 2,880 | 8,849 | 1,168 | 3,895 | 6,487 | |
| N (%) | Proportion | ||||||
| Age (years) | <0.0001 | ||||||
| <50 | 1,423 (6.1) | 5.0 | 5.1 | 6.3 | 7.8 | 7.0 | |
| ≥50 to <60 | 4,200 (18.1) | 16.3 | 16.7 | 17.3 | 21.0 | 19.1 | |
| ≥60 to <70 | 7,163 (30.8) | 30.5 | 30.0 | 30.8 | 30.5 | 32.1 | |
| ≥70 | 10,493 (45.1) | 48.2 | 48.3 | 45.6 | 40.8 | 41.9 | |
| Charlson Deyo Score | <0.0001 | ||||||
| 0 | 16,719 (71.8) | 71.1 | 69.9 | 71.2 | 72.3 | 74.7 | |
| 1 | 5,064 (21.8) | 22.0 | 23.1 | 22.5 | 21.3 | 19.9 | |
| ≥2 | 1,496 (6.4) | 6.9 | 7.0 | 6.3 | 6.4 | 5.4 | |
| Gender | <0.0001 | ||||||
| Male | 17,211 (73.9) | 72.6 | 73.6 | 75.7 | 71.8 | 75.7 | |
| Female | 6,068 (26.1) | 27.4 | 26.2 | 24.3 | 28.2 | 24.3 | |
| Race | <0.0001 | ||||||
| White | 21,240 (91.2) | 93.4 | 93.3 | 90.6 | 86.2 | 90.7 | |
| AA | 1,328 (5.7) | 4.6 | 4.4 | 6.8 | 10.9 | 4.7 | |
| Other | 711 (3.1) | 2.0 | 2.3 | 2.7 | 2.9 | 4.7 | |
| Hispanic | <0.0001 | ||||||
| No | 20,672 (88.8) | 87.7 | 90.1 | 80.2 | 85.5 | 91.1 | |
| Yes | 662 (2.8) | 2.1 | 2.1 | 4.5 | 4.3 | 3.0 | |
| Unknown | 1,945 (9.4) | 10.2 | 7.8 | 15.3 | 10.2 | 60.0 | |
| Median income | <0.0001 | ||||||
| <$30K | 2,810 (12.1) | 11.8 | 11.7 | 7.9 | 14.7 | 11.9 | |
| $30–34.9K | 4,353 (18.7) | 20.6 | 19.4 | 16.4 | 16.7 | 18.5 | |
| $35–44.9K | 6,587 (28.3) | 31.9 | 29.2 | 31.3 | 24.6 | 27.1 | |
| >$45K | 8,288 (35.6) | 30.5 | 34.2 | 39.6 | 38.9 | 37.1 | |
| Unknown | 1,241 (5.3) | 5.1 | 5.5 | 4.9 | 5.1 | 5.4 | |
| Percent less than high school education | <0.0001 | ||||||
| >29% | 3,428 (14.7) | 15.8 | 13.5 | 11.8 | 17.4 | 14.8 | |
| 20–29% | 5,273 (22.7) | 23.1 | 22.5 | 20.3 | 23.6 | 22.6 | |
| 14–20% | 5,738 (24.7) | 29.3 | 24.9 | 23.6 | 22.6 | 23.6 | |
| <14% | 7,599 (32.6) | 26.7 | 33.5 | 39.5 | 31.3 | 33.7 | |
| Unknown | 1,241 (5.3) | 5.1 | 5.5 | 4.9 | 5.1 | 5.4 | |
| Payor Group | <0.0001 | ||||||
| Private | 2,004 (8.6) | 10.3 | 8.9 | 8.2 | 8.6 | 7.6 | |
| Managed Care | 5,879 (25.3) | 20.3 | 23.9 | 27.6 | 25.9 | 28.5 | |
| Medicaid | 976 (4.2) | 3.9 | 3.1 | 3.8 | 7.6 | 3.9 | |
| Medicare | 12,949 (55.6) | 60.6 | 59.1 | 56.3 | 49.1 | 52.5 | |
| None/other | 1,471 (6.3) | 4.9 | 5.1 | 4.1 | 8.9 | 7.5 | |
| Urban/Rural | <0.0001 | ||||||
| Rural | 1,890 (8.1) | 13.8 | 7.8 | 2.8 | 4.4 | 9.3 | |
| Suburban | 2,865 (12.3) | 15.5 | 12.2 | 5.9 | 9.2 | 14.1 | |
| Small metropolitan | 6,955 (29.9) | 28.1 | 37.5 | 13.4 | 29.2 | 23.7 | |
| Large metropolitan | 10,186 (43.8) | 36.9 | 36.6 | 74.5 | 50.6 | 46.9 | |
| Unknown | 1,383 (5.9) | 5.8 | 6.0 | 3.4 | 6.6 | 6.0 | |
| Analytic Stage | <0.0001 | ||||||
| II | 8735 (37.5) | 42.0 | 38.8 | 36.5 | 37.3 | 34.2 | |
| III | 7411 (31.8) | 30.6 | 33.2 | 32.6 | 30.5 | 31.3 | |
| IV | 7133 (30.6) | 27.5 | 28.1 | 30.9 | 32.2 | 34.6 | |
| Tumor Grade | <0.0001 | ||||||
| Low Grade (1/2) | 1040 (4.5) | 6.5 | 4.7 | 4.2 | 4.5 | 3.3 | |
| High Grade (3/4) | 21010 (90.3) | 88.2 | 89.8 | 90.2 | 89.7 | 92.1 | |
| Unknown | 1229 (5.3) | 5.3 | 5.5 | 5.7 | 5.8 | 4.6 | |
| Facility Location | <0.0001 | ||||||
| Northeast | 1425 (6.1) | 7.9 | 5.2 | 0 | 11.2 | 4.6 | |
| Atlantic | 3360 (14.4) | 9.1 | 11.0 | 0 | 18.5 | 21.6 | |
| Southeast | 4513 (19.4) | 18 | 19.6 | 40 | 18.2 | 16.8 | |
| Great Lakes | 4453 (19.1) | 25.9 | 18.1 | 22 | 23.3 | 14.6 | |
| South | 1600 (6.9) | 6.1 | 7.3 | 4.5 | 3.7 | 9.0 | |
| Midwest | 2393 (10.3) | 9.8 | 11.9 | 5.7 | 5.9 | 11.7 | |
| West | 1725 (7.4) | 8.0 | 7.7 | 11.5 | 8.9 | 5.2 | |
| Mountain | 1099 (4.7) | 2.7 | 7.5 | 5.1 | 3.7 | 2.4 | |
| Pacific | 2711 (11.7) | 12.7 | 11.7 | 11.3 | 6.6 | 14.2 | |
| Year of Diagnosis | <0.0001 | ||||||
| 2003 | 2869 (12.3) | 13.2 | 12.6 | 11.5 | 13.5 | 11.1 | |
| 2004 | 2788 (12.0) | 14.7 | 12.5 | 11.2 | 12.1 | 10.1 | |
| 2005 | 2911 (12.5) | 13.1 | 13.0 | 13.4 | 11.9 | 11.8 | |
| 2006 | 2861 (12.3) | 12.1 | 12.1 | 12.0 | 12.1 | 12.9 | |
| 2007 | 2902 (12.5) | 12.5 | 12.0 | 11.8 | 12.3 | 13.4 | |
| 2008 | 2995 (12.9) | 12.7 | 12.5 | 13.4 | 12.6 | 13.5 | |
| 2009 | 2920 (12.5) | 11.6 | 12.3 | 13.3 | 12.6 | 13.1 | |
| 2010 | 3033 (13.0) | 10.1 | 13.1 | 13.4 | 12.9 | 14.3 | |
C-Community, CLV – Comprehensive low volume, CHV – Comprehensive high volume, ALV – academic low volume, AHV – academic high volume, AA-African American