Table 2 Meta-analysis of demographics of the patients of the included studies
Indicators | Number of studies | Number of SAC | Number of MAC | Heterogeneity analysis | Â | ||||
|---|---|---|---|---|---|---|---|---|---|
χ2 | df | I2 | P value | OR/SMD (95CI) | P value | ||||
Male | 22 | 1072 | 1541 | 157.90 | 21 | 86.70 | 0.31 | − 0.41(− 0.39, 0.118) | 0.27 |
BMI (kg/m2) | 21 | 979 | 1441 | 122.30 | 20 | 83.60 | 0.00 | − 0.71(− 0.41, 0.07) | 0.16 |
RENAL scores | 16 | 841 | 1268 | 80.40 | 15 | 81.30 | 0.00 | 0.15(− 0.09, 0.40) | 0.21 |
Tumor size(cm) | 22 | 1000 | 1504 | 157.98 | 21 | 86.70 | 0.00 | − 0.14(− 0.40, 0.40) | 0.29 |
Preoperative eGFR (mL/min/1.73 m2) | 21 | 694 | 1364 | 0.00 | 20 | 0.00 | 1.00 | 0.0(− 0.105, 0.105) | 1.00 |