Table 1: Perioperative characteristics of LPN versus ONU cases. CR, conventional retroperitoneal; CT, conventional transperitoneal; HAT, hand-assisted transperitoneal; NL, not listed; ONU, open nephroureterectomy.

AuthorSurgeryNumberHigh grade (%)OR duration (min)Blood loss (min)Conversion (%)Complication (%)Hospital days

Muntener et al. [8]CT3931 (80)3123004 (10)12 (31)4

Schatteman et al. [9]CT10048 (48)1922347 (7)19 (19)10

Rouprêt et al. [10]CT 20 8 (40) 165 275 1 (5) 3 (15) 4
ONU2619 (73)1553384 (15)9

Okegawa et al. [11]CR 25 6 (24) 299 258 1 (4) 4 (16) 11
ONU237 (30)3134033 (13)13

Tsujihata et al. [12]CR 25 5 (20) 306322 0 (0)0 (0) 2
ONU2412 (50) 2715580 (0)4

Taweemonkongsap et al. [13]CR 31 13 (42) 259 289 0 (0) 2 (6) 9.3
ONU2919 (66)1913142 (7)8.7

Chung et al. [14]HAT 39 16 (41) 233183 0 (0) 5 (13) 7
ONU3615 (42) 2204223 (8)9

Raman et al. [15]HAT 38 15 (40) 244191 0 (0) 4 (11) 5
ONU5219 (37)2434782 (4)7

Wolf et al. [16]HAT5326 (49)2793301 (2)20 (37)4

Cannon et al. [17]HAT34NL3172520 (0)9 (26)8

Chung et al. [18]HAR 25 11 (44) 252 212 0 (0) 3 (12) 6.5
ONU4117 (41)2124083 (7)9

Nakashima et al. [19]HAR 36 18 (50) 395497 1 (3) 11 (31)18.8
ONU3713 (35) 289296 2 (5)19.1