| Requirements | hospitals which applied LADG | hospitals which did not apply LADG |
| No. of responded hospitals = 12 | No. of responded hospitals = 5 | |
| ( n ) | ( n ) | |
| Surgeons’ practical experience | 4 |
|
| Large number of clinical trials | 3 | 2 |
| Safety of procedure | 3 |
|
| Stability of radical treatment | 2 | 2 |
| Shorten operative duration | 2 | 1 |
| Appropriate application of LADG | 2 |
|
| Social recognition | 1 |
|
| Total | 17 | 5 |