Table 3. Comparison of percutaneous nephrolithotomy and microperc stone extraction in children.
| Study | No. of patients/Renal units | Mean Age(Yrs) | Mean stone size | Maximum tract size | Conversion rate | Clearance(%) | Complications | Transfusion rate % | |
| Paediatric percutaneous nephrolithotomy | |||||||||
| Guven et al.,16 | 130/140 | 10.28 | 26.28mm | 28 | NA | 83.9 | 27.9 | 8.5 | |
| Nouralizadeh et al., 18 | 20/24 | 3.1 | 33mm | 26 | NA | 79.2 | 15.4 | 5 | |
| Zeren et al., 19 | 55/67 | 7.9 | 283mm2 | 30 | NA | 87 | 23.9 | 24 | |
| Salah et al., 20 | 135/138 | 8.9 | 507mm2 | 26 | NA | 99 | 9.6 | 1 | |
| Paediatric MicroPercutaneous nephrolithotomy(Microperc) | |||||||||
| Hatipoglu et al., 6 | 37 | 8.4 | 14.8mm | 4.85 | 3/37(8.1) | 89.2 | 21.6 | ND | |
| Silay et al., 13 | 19 | 7.5 | 14.8mm | 8 | 2/19(10.6) | 89.5 | 15.7 | Nil | |
| Present study | 17 | 9.96 | 12.7mm | 10 | 2/17(11.8) | 94.1 | 17.6 | Nil | |
| ND: Not documented; NA: Not applicable | |||||||||