Table 2.
Hospital costs and length of stay (LOS) for cancer surgery types by hospital volume
| Annual hospital volume | p-valuea | |||||
|---|---|---|---|---|---|---|
| Total | Very low | Low | High | Very high | ||
| Costs (10,000 KRW) | ||||||
| Pneumonectomy | 5.04 ± 2.23 | 5.47 ± 2.49 | 4.97 ± 2.34 | 4.99 ± 1.81 | 4.79 ± 2.14 | < 0.001 |
| Colectomy | 4.14 ± 2.57 | 3.75 ± 2.35 | 4.41 ± 2.73 | 4.38 ± 2.74 | 3.96 ± 2.34 | < 0.001 |
| Mastectomy | 2.07 ± 0.99 | 2.01 ± 1.29 | 2.22 ± 1.16 | 2.10 ± 0.77 | 1.93 ± 0.56 | < 0.001 |
| Cystectomy | 4.65 ± 2.81 | 4.04 ± 2.86 | 4.88 ± 2.77 | 4.84 ± 2.55 | 4.73 ± 3.00 | < 0.001 |
| Esophagectomy | 8.10 ± 3.53 | 8.49 ± 3.87 | 8.83 ± 4.06 | 7.72 ± 3.06 | 7.43 ± 2.85 | < 0.001 |
| LOS (day) | ||||||
| Pneumonectomy | 20.9 ± 10.1 | 24.8 ± 11.1 | 21.6 ± 10.6 | 20.4 ± 8.5 | 17.5 ± 8.6 | < 0.001 |
| Colectomy | 20.1 ± 10.5 | 20.0 ± 11.4 | 21.9 ± 11.0 | 20.2 ± 10.5 | 18.2 ± 8.7 | < 0.001 |
| Mastectomy | 13.4 ± 8.5 | 14.3 ± 11.1 | 15.0 ± 9.5 | 13.0 ± 6.5 | 11.3 ± 5.1 | < 0.001 |
| Cystectomy | 23.0 ± 13.4 | 21.2 ± 13.3 | 24.0 ± 13.0 | 25.1 ± 13.9 | 21.3 ± 13.1 | < 0.001 |
| Esophagectomy | 27.1 ± 13.1 | 30.9 ± 13.4 | 29.4 ± 14.5 | 26.3 ± 11.8 | 22.1 ± 10.5 | < 0.001 |
Values are presented as mean ± standard deviation. KRW, Korean Won.
a
ANCOVA with Bonferroni multiple comparison.