Table 2.
The comparison of intraoperative and postoperative indexes among the three groups
| Group | tf-URS group (n = 51) | SMP group (n = 46) | FURS group (n = 55) | F(x2) value | P value | Between-group difference | ||
|---|---|---|---|---|---|---|---|---|
| Operation time (min) | 46.5 ± 15.6 | 106.4 ± 17.0 | 52.5 ± 16.2 | F = 198.831 | 0.000 | P = 0.000# | P = 0.059† | P = 0.000§ |
| Single stone crushing success rate* | 40(78.4%) | 45(97.8%) | 43(78.2%) | x2 = 9.198 | 0.010 | P = 0.004# | P = 0.975† | P = 0.003§ |
| Hemoglobin drop after surgery (g/L) | 4.3 ± 2.1 | 14.3 ± 5.0 | 5.0 ± 3.2 | F = 115.228 | 0.000 | P = 0.000# | P = 0.322† | P = 0.000§ |
| Postoperative hospital stay (d) | 2.2 ± 1.1 | 4.7 ± 3.3 | 2.3 ± 1.0 | F = 23.703 | 0.000 | P = 0.000# | P = 0.769† | P = 0.000§ |
| Pain degree (score) 6 h after surgery | 2.1 ± 0.8 | 4.0 ± 1.8 | 2.3 ± 1.4 | F = 26.486 | 0.000 | P = 0.000# | P = 0.472† | P = 0.000§ |
| Hospitalization cost (in RMB ×104) | 1.1 ± 0.5 | 2.0 ± 1.1 | 1.6 ± 0.6 | F = 15.271 | 0.000 | P = 0.000# | P = 0.002† | P = 0.011§ |
| Stone-free rate at 3 months after surgery | 43(84.3%) | 44(95.7%) | 47(85.5%) | x2 = 3.582 | 0.167 | |||
*Single stone crushing success rate refers to the scope’s access to the collecting system followed by exploring and crushing stones successfully
#The difference between tf-URS group and SMP group
†The difference between tf-URS group and FURS group
§The difference between SMP group and FURS group