Research Article
Guy’s Stone Score (GSS) Based on Intravenous Pyelogram (IVP) Findings Predicting Upper Pole Access Percutaneous Nephrolithotomy (PCNL) Outcomes
Table 3
The demographic data of supracostal upper access patients (
).
| | | GSS1 | GSS2 | GSS3 | GSS4 | value
| | | | |
| | Age (year), | | | Mean (SD) | 51 (18.14) | 53 (10.68) | 51.52 (9.17) | 53.24 (9.29) | 0.11 | | Gender, () | | | Male : female | 1 : 5 | 8 : 1 | 16 : 9 | 32 : 9 | 0.01 | | Previous surgery, (%) | 1 (16.67) | 1 (11.11) | 5 (20.00) | 11 (26.83) | 0.81 | | Stone side, (%) | | | Right : left | 31 : 25 | 14 : 18 | 29 : 34 | 27 : 29 | 0.72 | | Size (mm), | | | Mean (SD) | 24.16 (3.43) | 7 (9.15) | 43.27 (11.91) | 61.97 (20.04) | <0.01 | | BMI | | | 18–25 cm/kg2 | 3 (50.00) | 6 (75.00) | 13 (68.42) | 23 (65.76) | 0.91 | | >25 cm/kg2 | 3 (50.00) | 2 (25.00) | 6 (31.58) | 10 (31.25) | | | Comorbidities | | | Diabetes, (%) | 1 (16.67) | 2 (25.00) | 5 (33.33) | 6 (20.00) | 0.76 | | Hypertension, (%) | 3 (50.00) | 2 (25.00) | 6 (40.00) | 15 (50.00) | 0.62 | | Dyslipidemia, (%) | 2 (33.30) | 1 (12.50) | 2 (13.33) | 7 (23.33) | 0.67 | | Blood Cr. | | | <1.5 mg% | 5 (83.33) | 5 (62.50) | 17 (77.27) | 26 (65.00) | 0.63 | | >1.5 mg% | 1 (16.67) | 3 (37.50) | 5 (22.73) | 14 (35.00) | |
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