Table 1 Baseline and pre-operative data of the studied patients (N = 101):
Studied groups | P value | ||
|---|---|---|---|
US-PCNL N = 51 | FL-PCNL N = 50 | ||
Sex; N (%) | |||
Female | 25 (49.0%) | 19 (38.0%) | 0.180 |
Male | 26 (51.0%) | 31 (62.0%) | |
Age; (years) | |||
Mean ± SD | 37.39 ± 12.52 | 39.86 ± 14.22 | 0.357 |
Range | 19.00–65.00 | 18.00–78.00 | |
Side; N (%) | |||
Rt | 25 (49.0%) | 25 (50.0%) | 0.541 |
Lt | 26 (51.0%) | 25 (50.0%) | |
Previous renal stone surgery; N (%) | |||
No | 46 (90.2%) | 39 (78.0%) | 0.079 |
Yes | 5 (9.8%) | 11 (22.0%) | |
Hydronephrosis grade; N (%) | |||
None | 7 (13.7%) | 10 (20.0%) | 0.598 |
Mild | 29 (56.9%) | 23 (46.0%) | |
Moderate | 13 (25.5%) | 13 (26.0%) | |
Severe | 2 (3.9%) | 4 (8.0%) | |
Stone site; N (%) | |||
Single | 16 (31.4%) | 15 (30.0%) | 0.257 |
Multiple | 32 (62.7%) | 27 (54.0%) | |
Stag horn | 3 (5.9%) | 8 (16.0%) | |
Guy’s score; N (%) | |||
1 | 30 (58.9%) | 24 (48.0%) | 0.154 |
2 | 18 (35.2%) | 15 (30.0%) | |
3 | 0 (0.0%) | 3 (6.0%) | |
4 | 3 (5.9%) | 8 (16.0%) | |
Stone type; N (%) | |||
Radio-lucent | 9 (17.6%) | 5 (10.0%) | 0.206 |
Radio-opaque | 42 (82.4%) | 45 (90.0%) | |
Stone size | |||
Mean ± SD | 3.11 ± 0.06 | 3.35 ± 1.27 | 0.221 |
Range | 2.00–5.00 | 1.20–7.00 | |
Stone density | |||
Mean ± SD | 1266.06 ± 289.15 | 1289.64 ± 276.84 | 0.676 |
Range | 636.00–1780.00 | 680.00–1814.00 | |
Haemoglobin; g/dL | |||
Mean ± SD | 13.09 ± 1.29 | 12.73 ± 1.19 | 0.154 |
Range | 11.00–16.00 | 10.5–16.00 | |