Table 2 The SFR after RIRS according to the R.I.R.S. scoring system and RUSS
R.I.R.S. score | SFR (%) | R.I.R.S. score group | SFR (%) | RUSS | SFR (%) |
|---|---|---|---|---|---|
4 | 100% (1/1) | Mild (4–5) | 90% (9/10) | 0 | 85.00% (51/60) |
5 | 88.89% (8/9) | 1 | 70.91% (39/55) | ||
6 | 86.67% (26/30) | Moderate (6–8) | 80.19% (85/106) | 2 | 72.22% (13/18) |
7 | 81.08% (30/37) | 3 | 14.29% (2/14) | ||
8 | 74.36% (29/39) | Severe (9–10) | 35.48% (11/31) | ||
9 | 41.67% (10/24) | ||||
10 | 14.29% (1/7) | ||||
Total | 71.43% (105/147) | ||||
Linear-by-linear association | P < 0.001 | P < 0.001 | P < 0.001 |