From: Impact of weight on stone-free rate during percutaneous nephrolithotomy
Group 1 | (%) | Group 2 | (%) | Group 3 | (%) | Group 4 | (%) | P-value | |
---|---|---|---|---|---|---|---|---|---|
average (< 25) | Overweight (25–29.9) | Obese (30–39.9) | Morbid obese (> 40) | ||||||
Count (123) | 40 | 32.5 | 45 | 36.6 | 34 | 27.6 | 4 | 3.3 | |
Gender, % | 0.0001 | ||||||||
Male (71) | 29 | 72.5 | 34 | 75.5 | 8 | 23.5 | 0 | 0 | |
Female (52) | 11 | 27.5 | 11 | 24.5 | 26 | 76.5 | 4 | 100 | |
Age (mean ± SD) | 39.07 ± 13.94 | 44.04 ± 9.71 | 48.17 ± 9.18 | 52.50 ± 1.73 | 0.005 | ||||
Body Mass Index (kg/m2) median(range) | 23.8 (21.7–29.4) | 27.7 (25–29.7) | 33.4 (30–38.8) | 42.1 (40.5–43.7) | 0.0001 | ||||
Comorbidity | 0.224 | ||||||||
HTN (9) | 3 | 7.5 | 2 | 4.45 | 2 | 5.88 | 2 | 50 | |
DM (6) | 2 | 5 | 4 | 8.89 | 0 | 0 | 0 | 0 | |
HTN + DM (7) | 0 | 0 | 2 | 4.45 | 5 | 14.7 | 0 | 0 | |
(mean ± SD) | 2.1 ± .12 | 2.4 ± .4 | 2.3 ± .15 | 2.4 ± .34 | 0.378 | ||||
Stones Localization | 0.184 | ||||||||
1 OR 2 Calyces (86) | 30 | 75 | 32 | 71.2 | 20 | 58.8 | 4 | 100 | |
Multiple calyces (18) | 8 | 20 | 4 | 8.8 | 6 | 17.6 | 0 | 0 | |
Stag horn (19) | 2 | 5 | 9 | 20 | 8 | 23.5 | 0 | 0 | |
Side | 0.001 | ||||||||
Left (64) | 15 | 37.5 | 19 | 42.3 | 28 | 82.3 | 2 | 50 | |
Right (59) | 25 | 62.5 | 26 | 57.7 | 6 | 17.7 | 2 | 50 | |
Hydronephrosis | 0.146 | ||||||||
(None, mild) (82) | 28 | 70 | 25 | 55.5 | 25 | 73.5 | 4 | 100 | |
(Moderate, Severe) (41) | 12 | 30 | 20 | 44.5 | 9 | 26.5 | 0 | 0 | |
Essence’ (HU) | 0.020 | ||||||||
Non- opaque(43) | 21 | 52.5 | 12 | 26.6 | 8 | 23.5 | 2 | 50 | |
Opaque(80) | 19 | 47.5 | 33 | 73.4 | 26 | 76.5 | 2 | 50 |