Table 1.
Characteristics of the studies included in the review
| Study, year, and country | Multicenter | Design | Patients (off-C/on-C) | Variables matched | Matching ratio | NOS score |
|---|---|---|---|---|---|---|
| Anderson [15], 2017, USA | No | PS | 50/50 | Age, preoperative renal function, tumor size, and RNS | 1:1 | 7 |
| Bertolo [20], 2018, Italy | Two-center | PS | 200/400 | Age, sex, smoking status, diabetes, hypertension, ASA score, solitary kidney status, preoperative eGFR, clinical tumor size, and RNS | 2:1 | 7 |
| Brassetti [6], 2022, Italy | Yes | RS | 89/89 | age, ASA score, eGFR at baseline, RENAL score | 1:1 | 7 |
| Kaczmarek [7], 2013, USA | Yes | RS | 49/283 | Surgeon’s experience, age, sex, race, BMI, ASA score, RNS, and eGFR | 4:1 | 8 |
| Mari [16], 2018, Italy | No | RS | 120/120 | Tumor side, polar tumor location, clinical T stage, calyceal system, and sinus compression/invasion | 1:1 | 8 |
| Peyronnet [19], 2017, France | Yes | RS | 26/104 | RNS, tumor size, and surgeon’s experience | 4:1 | 9 |
| Rosen [17], 2017, USA | Yes | RS | 41/82 | Age, sex, BMI, ASA score ≥3, diabetes, hypertension, coronary artery disease, baseline eGFR, tumor size, RNS, tumor laterality, lateral vs anterior/posterior tumor location, endophytic percentage, and operating surgeon | 2:1 | 7 |
| Tanagho [18], 2012, USA | No | PS | 29/29 | Not specified | 1:1 | 7 |
| Sharma [21], 2023, India | Yes | PS | 205/205 | Age, sex, BMI, RNS, and preoperative eGFR | 1:1 | 8 |
| Anderson [5], 2018, USA | No | RCT | 40/40 | – | – | – |
| Antonelli [8], 2019, Italy | Yes | RCT | 95/137 (per protocol) | – | – | – |
ASA = American Society of Anesthesiologists; BMI = body mass index; off-C = off-clamp; on-C = on-clamp; RNS = renal nephrometry score; eGFR = estimated glomerular filtration rate; NOS = Newcastle-Ottawa Scale; PS = prospective study; RS = retrospective study; RCT = randomized controlled trial.