Table 5.
Surgical technologies
| Surgical technology | No. of cases frequency (%) | |
|---|---|---|
| 2011 | 2001 | |
| Conventional | 20,697 (65.0) | – |
| Endoscope | 4,110 (12.9) | 387 (2.6) |
| Microscope | 6,523 (20.5) | 1,651 (11.1) |
| Percutaneus | 501 (1.6) | – |
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