Research Article
Guy’s Stone Score (GSS) Based on Intravenous Pyelogram (IVP) Findings Predicting Upper Pole Access Percutaneous Nephrolithotomy (PCNL) Outcomes
Table 1
The demographic data of total upper pole access patients (
).
| | GSS1 | GSS2 | GSS3 | GSS4 | value
| | | | |
| Age (year) | | Mean (SD) | 54.28 (13.34) | 51.77 (10.07) | 55.52 (0.961) | 55.51 (10.03) | 0.13 | Gender, (%) | | Male : female | 12 : 20
| 21 : 14
| 48 : 21
| 62 : 29
| 0.01 | Previous surgery, (%) | 10 (31.25) | 10 (28.57) | 16 (23.19) | 22 (24.18) | 0.79 | Stone side, () | | Right : left | 17 : 15 | 15 : 20 | 37 : 32 | 50 : 41 | 0.67 | Size (mm): | | Mean (SD) | 27.03 (0.60) | 26.42 (10.09) | 42.28 (11.79) | 63.24 (17.28) | <0.01 | BMI, (%) | | 18–25 cm/kg2 | 33 (66.34) | 19 (63.33) | 42 (73.22) | 35 (76.08) | 0.75 | >25 cm/kg2 | 16 (32.65) | 11 (36.67) | 15 (26.79) | 11 (23.91) | | Comorbidities | | Diabetes, (%) | 4 (13.79) | 7 (21.88) | 10 (20.83) | 11 (16.92) | 0.81 | Hypertension, (%) | 12 (41.38) | 11 (34.38) | 22 (45.83) | 33 (50.77) | 0.47 | Dyslipidemia, (%) | 7 (24.14) | 6 (18.75) | 8 (16.67) | 15 (23.08) | 0.81 | Blood Cr., (%) | | <1.5 mg% | 43 (78.18) | 23 (74.19) | 53 (88.33) | 40 (74.07) | 0.22 | >1.5 mg% | 12 (21.82) | 8 (25.81) | 7 (11.67) | 14 (25.93)
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