Table 1 Basic characteristics of all pooled studies in the meta-analysis
Author/year | Surgery type | Country | Barbed type | Study design | Renorrhaphy type | Median follow up | Sample size | Age | BMI | Tumor size | RENAL/ PAUDA/ Charlson Score | Suture time(min ± SD or range) | Warm ischemia time(min ± SD or range) | Operative time(min ± SD or range) | Estimated blood loss(ml ± SD or range/ mmol/L ± SD or range) | Perioperative Blood transfusion (n) | Hospital stay (days) | Postoperative complications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B/C | B/C | B/C | B/C | B/C | B/C | B/C | B/C | B/C | B/C | B/C | ||||||||
Sammon 2011 | RAPN | US | U | Prospective cohort study | 2 layers | 1 month/4.5 months | 15/15 | 64 ± 11.3/ 61 ± 8.4 | 29.8 ± 5.8/34.7 ± 7.2 | 2.5 ± 0.9/2.8 ± 1.4 | NR | NR | 18.5 ± 5.3/24.7 ± 6.6 | 227.5 ± 66.7/275 ± 49.2 | 150 ± 119.3/150 ± 99.6 | NR | 2.0 ± 0.7/2.0 ± 1.3 | Bleeding |
Olweny 2012 | LPN | US | U | Prospective cohort study | Sliding clips | NR | 29/49 | 55.1 ± 13.0/55.1 ± 12.9 | 30.4 ± 6.0/29.9 ± 6.3 | 2.6 ± 1.2/2.7 ± 1.2 | NR | NR | 26.4 ± 8.3/32.8 ± 7.9 | 174 ± 35/178 ± 41 | 188 ± 205/255 ± 337 | 1/5 | 3.4 ± 1.3/3.6 ± 0.98 | Urine leak, embolization, other |
Zondervan 2012 | OPN& LPN | Netherlands | U | Prospective cohort study | 1 layer | 1 week | 31/31 | 58 (27–80)/60 (25–81) | 26.5 (20–39.2)/26.5 (17.0–47.9) | 3.0 (1.6–7.1)/3.1 (1.5–6.8) | 3 (0–9)/2 (0–9)¶ | NR | 19.6 ± 7.5/21.8 ± 9.5 | NR | 1.6 (0.0–3.8)/1.9 (0.3–9.2) | 1/5 | not stated/not stated | Bleeding,urinary fistula, lung embolism |
Erdem 2013 | LPN | Turkey | U | Retrospective cohort study | 1 layer | NR | 17/17 | 55 (29–80)/57 (32–78) | 27.55 (19.53–31.25)/26.64 (21.25–30.43) | 3.8 (2.2–6.3)/4.0 (2.0–6.5) | 9 (6–13)/ 8 (6–12) § | NR | 19 (12–50)/28 (10–57) | 110 (90–190)/140 (80–190) | 100 (30–400)/140 (20–200) | 2/2 | 3 (2–5)/3 (2–7) | Fever, blood transfusion, elongated drainage, Ileus controlled with nasogastric decompression |
Jeon 2013 | LPN | US | U | Retrospective cohort study | Sliding clips | NR | 13/24 | 60.1 ± 13.8/55.3 ± 11.7 | 28.3 ± 5.5/27.4 ± 7.3 | 2.5 ± 0.8/2.0 ± 0.7 | 7.1 ± 1.7/6.6 ± 1.6 * | NR | 24.5 ± 5.3/31.9 ± 8.9 | 248.5 ± 37.2/256.7 ± 39.2 | 319.2 ± 311.3/331.3 ± 221.6 | 2/2 | 3.8 ± 1.3/3.8 ± 1.2 | Postoperative hemorrhage, urine leakage, others |
Shang 2013 | LPN | China | Bi | Retrospective cohort study | 2 layers | 30 days | 34/30 | 49 (25–83)/47 (19–74) | 25.6/25.4 | 4/3.8 | 8.7 ± 1.0/ 8.6 ± 1.2* | NR | 18/24.8 | 73 (45–135)/79.5 (40–135) | 20 (5–600)/20 (5–350) | 4/4 | NR | Urinary fistula, extraction-site hernias, atelectasis, delayed hemorrhage |
Schauer 2014 | OPN | Austria | U | Retrospective cohort study | NR | NR | 15/35 | 59.1 ± 13.7/65.5 ± 10.5 | NR | 3.5 ± 1.6/3.6 ± 1.2 | 9.0 ± 2.1/ 8.1 ± 1.8§ | NR | NR | NR | 15.6 ± 5.6/14.4 ± 8.9 | NR | NR | Urinoma, pyrexia |
Wang 2014 | LPN | China | Bi | Retrospective cohort study | Sliding clips | 1–11 months | 36/40 | 51.3 ± 10.1/50.8 ± 11.2 | NR | 3.1 ± 1.2/3.0 ± 1.4 | NR | 10.4 ± 3.2 /19.4 ± 6.7 | 15.2 ± 4.2/24.1 ± 5.6 | 78.5 ± 15.4/90.3 ± 18.1 | 60.5 ± 21.2/110.4 ± 21.1 | 0/2 | 5.9 ± 2.1/6.8 ± 2.3 | Blood urine, urine leak |