Table 2 Success rate after RIRS according to the T.O.HO. score
From: External validation of the T.O.HO. score as predictor of success after retrograde intrarenal surgery
T.O.HO. score | Success rate, % (n) |
|---|---|
3 | 98.2% (55/56) |
4 | 91.7% (11/12) |
5 | 91.5% (86/94) |
6 | 87.2% (95/109) |
7 | 73.6% (114/155) |
8 | 57.9% (55/95) |
9 | 32.8% (19/58) |
10 | 27.3% (6/22) |
11 | 20% (2/10) |
Total | 72.5% (443/611) |
p < 0.001c |