Table 2 -.
Relationship between surgical volume, patient outcomes, and overall satisfaction (9 or 10 ranking).
| High satisfaction, n (%) | P value | OR (95% CI) | |
|---|---|---|---|
| LV, West | 5(50) | ||
| HV, West | 10 (59) | 1.429 (0.297–6.877) | |
| LV, Midwest | 9 (33) | 0.500 (0.114–2.186) | |
| HV, Midwest | 13 (62) | 1.625 (0.355–7.434) | |
| LV, Northeast | 6 (22) | 0.286 (0.061–1.328) | |
| HV, Northeast | 11 (44) | 0.786 (0.181–3.416) | |
| LV, South | 10 (46) | 0.833 (0.187–3.723) | |
| HV, South | 15 (68) | 0.029 | 2.143 (0.464–9.898) |
| LV, <100% SCIP | 30 (35) | ||
| LV, 100% SCIP | 0 (0) | – | |
| HV, <100% SCIP | 48 (57) | 2.489 (1.340–4.623) | |
| HV, 100% SCIP | 1 (100) | 0.008 | – |
| LV, high %ICU | 9 (24) | ||
| LV, low %ICU | 21 (44) | 2.506 (0.979–6.419) | |
| HV, high % ICU | 26 (54) | 3.808 (1.489–9.739) | |
| HV, low % ICU | 23 (62) | 0.005 | 5.294 (1.947–14.395) |
| LV, long LOS | 7 (28) | ||
| LV, short LOS | 23 (38) | 1.556 (0.564–4.295) | |
| HV, long LOS | 35 (58) | 3.600 (1.308–9.911) | |
| HV, short LOS | 14 (56) | 0.022 | 3.273 (1.008–10.621) |
| LV, high LOS index | 10 (30) | ||
| LV, low LOS index | 20 (38) | 1.394 (0.552–3.523) | |
| HV, high LOS index | 31 (58) | 3.241 (1.289–8.147) | |
| HV, low LOS index | 18 (56) | 0.024 | 2.957 (1.067–8.195) |
| LV, high complications | 8(26) | ||
| LV, low complications | 22 (40) | 2.126 (0.781–5.789) | |
| HV, high complications | 32 (58) | 5.238 (1.912–14.353) | |
| HV, low complications | 17 (57) | 0.015 | 2.933 (0.957–8.988) |
| LV, ≥1 PSI | 28 (34) | ||
| LV, no PSI | 2(67) | 3.929 (0.341–45.217) | |
| HV, ≥1 PSI | 49 (58) | 2.674 (1.429–5.001) | |
| HV, no PSI | 0 (0) | 0.006 | – |
| LV, high readmissions (all) | 9 (30) | ||
| LV, low readmissions | 22 (37) | 1.412 (0.530–3.763) | |
| HV, high readmissions | 35 (61) | 3.778 (1.414–10.100) | |
| HV, low readmissions | 14 (50) | 0.016 | 2.375 (0.783–7.203) |
| LV, high readmissions (related) | 9 (30) | ||
| LV, low readmissions | 21 (37) | 1.400 (0.541–3.620) | |
| HV, high readmissions | 33 (60) | 3.500 (1.355–9.042) | |
| HV, low readmissions | 16 (53) | 0.021 | 2.667 (0.924–7.699) |
| LV, high early mortality | 9 (26) | ||
| LV, low early mortality | 21 (41) | 2.022 (0.789–5.182) | |
| HV, high early mortality | 25 (50) | 2.889 (1.130–7.389) | |
| HV, low early mortality | 24 (69) | 0.003 | 6.303 (2.225–17.852) |
| LV, high mortality | 8(27) | ||
| LV, low mortality | 22 (39) | 1.779 (0.674–4.698) | |
| HV, high mortality | 29 (53) | 3.067 (1.166–8.067) | |
| HV, low mortality | 20 (67) | 0.009 | 5.500 (1.813–16.681) |
| LV, high mortality index | 9 (21) | ||
| LV, low mortality index | 21 (49) | 3.606 (1.398–9.299) | |
| HV, high mortality index | 23 (52) | 4.138 (1.611–10.627) | |
| HV, low mortality index | 26 (63) | 0.001 | 6.548 (2.479–17.298) |
CI = confidence interval; OR = odds ratio; LOS = length of stay; LV = low volume; HV = high volume