Table 1 Basic characteristics of the respondents (N = 3393)
Characteristics of the respondents | Survey participants | |
|---|---|---|
N | Frequency (%) | |
Years of experience (practice as urologist) | ||
< 1 year | 112 | 3.3 |
1–3 years | 219 | 6.5 |
4–5 years | 273 | 8.0 |
6–10 years | 716 | 21.1 |
> 10 years | 2073 | 61.1 |
Surgical experience of PCNL per year | ||
< 10 cases | 563 | 16.6 |
10–50 cases | 1381 | 40.7 |
51–100 cases | 778 | 22.9 |
> 100 cases | 671 | 19.8 |
Grade of attaching medical unit | ||
Tertiary hospital | 2343 | 69.1 |
Non-tertiary hospital | 1050 | 30.9 |
University hospital | ||
Yes | 1640 | 48.3 |
No | 1753 | 51.7 |
Geographical area | ||
East China | 777 | 22.9 |
North China | 466 | 13.7 |
Central China | 339 | 10.0 |
South China | 588 | 17.3 |
Northeast China | 223 | 6.6 |
Northwest China | 369 | 10.9 |
Southwest China | 631 | 18.6 |