Solo Sonographically Guided PCNL under Spinal Anesthesia: Defining Predictors of Success

Table 4

Early SFR in relation to the stone location.

	Count	Early SFR
Multiple stones	26	80.8%
Single pelvic stone	19	89.5%
Complete staghorn	21	61.9%
Partial staghorn	27	81.5%
Inferior or middle calyx	25	92.0%
Superior calyx	6	83.3%