Table 3.
Total costs and costs of each individual component for both groups
| Items | Anterior group | Posterior group | P value |
|---|---|---|---|
| Length of hospital stay (days) | 14.9 ± 5.3 | 16.6 ± 3.0 | 0.122 |
| Total costs (RMB) | 33655.4 ± 10763.4 | 35375.1 ± 9221.1 | 0.498 |
| Treatment costs (RMB) | 411.7 ± 257.6 | 621.2 ± 369.5 | 0.012 |
| Examination costs (RMB) | 375.8 ± 245.3 | 616.5 ± 436.3 | 0.011 |
| Surgery costs (RMB) | 3092.3 ± 621.8 | 3494.5 ± 1008.6 | 0.065 |
| Medication costs (RMB) | 5961.0 ± 3292.0 | 7772.9 ± 4494.5 | 0.075 |
| Instrument costs (RMB) | 23814.6 ± 8458.3 | 22870.0 ± 8230.8 | 0.653 |
Values given as mean ± SD.