Table 4.
Comparison between the studied groups regarding operative data
| Flexible ureteroscope group N = 153(%) |
ESWL group N = 117 (%) |
Mini PCNL group N = 144(%) |
χ2 | p | |
|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | |||
| Operative time | 40.0 ± 6.36 | 36.05 ± 5.98 | 50.75 ± 13.37 | 29.831 | < 0.001** |
| LSD | P1 0.049* | P2 < 0.001** | P3 < 0.001** | ||
| Median(IQR) | Median(IQR) | Median(IQR) | KW | p | |
| Radiation time(min) | 3(2.67–3.33) | 9.25(6.5–11.18) | 4.34(3.25–5) | 77.026 | < 0.001** |
| Pairwise | P1 < 0.001** | P2 < 0.001** | P3 < 0.001** | ||
| LOS (h) | 60(48–72) | 2(1–2) | 72(48–72) | 92.641 | < 0.001** |
| Pairwise | P1 < 0.001** | P2 < 0.001** | P3 0.419 | ||
| Total cost | 16,850(16600 − 16850) | 4400(1800–16800) | 8250(8000 − 8250) | 49.004 | < 0.001** |
| Pairwise | P1 < 0.001** | P2 0.464 | P3 < 0.001** |
χ2Chi square test MC Monte Carlo test KW Kruskal Wallis test p1 difference between flexible and ESWL groups p2 difference between ESWL and Mini PCNL groups p3 difference between flexible and mini PCNL groups *p < 0.05 is statistically significant **p ≤ 0.001 is statistically highly significant Wx Wilcoxon signed rank test