Table 1 -.
Hospital structure and patient outcomes in relation to surgical volume.
| Hospital structure and patient outcomes | Low volume, N = 86, n (%) | High volume, N = 85, n (%) | P value |
|---|---|---|---|
| Geographic location | |||
| West | 10 (37) | 17 (63) | |
| Midwest | 27 (56) | 21 (44) | |
| Northeast | 27 (52) | 25 (48) | |
| South | 22 (50) | 22 (50) | 0.451 |
| SCIP compliance, % | |||
| 100 | 0(0) | 1 (100) | |
| <100 | 86 (51) | 84 (49) | 0.313 |
| % ICU cases | |||
| Low | 48 (56) | 37 (44) | |
| High | 38 (44) | 48 (56) | 0.002 |
| Length of stay | |||
| Short | 61 (71) | 25 (29) | |
| Long | 25 (29) | 60 (71) | <0.001 |
| Length of stay index | |||
| Low | 53 (62) | 32 (38) | |
| High | 33 (38) | 53 (62) | 0.002 |
| Complication rate | |||
| Low | 55 (65) | 29 (34) | |
| High | 31 (36) | 56 (66) | <0.001 |
| PSI | |||
| None | 3 (100) | 0(0) | |
| ≥1 PSI | 83 (49) | 85 (51) | 0.082 |
| Readmission rate (all) | |||
| Low | 59 (68) | 28 (32) | |
| High | 27 (32) | 57 (68) | <0.001 |
| Readmission rate (related) | |||
| Low | 56 (65) | 30 (35) | |
| High | 30 (35) | 55 (65) | <0.001 |
| Early mortality rate | |||
| Low | 51 (59) | 35 (41) | |
| High | 35 (41) | 50 (59) | 0.018 |
| Mortality rate | |||
| Low | 56 (65) | 30 (35) | |
| High | 30 (35) | 55 (65) | <0.001 |
| Mortality index | |||
| Low | 43 (51) | 41 (49) | |
| High | 43 (49) | 44 (51) | 0.817 |