Minimally Invasive Percutaneous Nephrolithotomy versus Retrograde Intrarenal Surgery for Upper Urinary Stones: A Systematic Review and Meta-Analysis

Table 6

Efficiency quotient in included studies.

Study	EQ for mini-PCNL	EQ for RIRS	value
Pan et al. [14]	0.904	0.523	—
Kumar et al. [16]	0.915	0.842	0.01
Gu et al. [22]	0.830	0.500	—

EQ = efficiency quotient.