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Comparisons of the mean hemoglobin levels before and after PCNL between the two groups of patients with staghorn calculi in Alzahra Hospital between 2014 and 2017
| Group | Before PCNL | After PCNL | P value | |
|---|---|---|---|---|
| Stone Size | ||||
| Stone size>4 cm | Intervention group | 14.38±1.49 | 12.27±1.70 | <0.001 |
| Control group | 13.57±1.80 | 10.80±1.66 | <0.001 | |
| Stone size<4 cm | Intervention group | 13.43±1.36 | 12.50±1.57 | <0.001 |
| Control group | 14.02±1.56 | 11.47±1.70 | <0.001 |
PCNL: Percutaneous nephrolithotomy
