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. 2018 Jul 11;153(10):918–927. doi: 10.1001/jamasurg.2018.2089

Table 2. Descriptive Analysis of Technical Variables in the Video Cohort by Presence of Delayed Gastric Emptying (DGE).

Variable Patients, No. (%) P Value
Non-DGE DGE
Intraoperative Technical Variables
Operation
RPPPD (n = 18) 14 (77.8) 4 (22.2) >.99
RPD (n = 174) 137 (78.7) 37 (21.3)
Length of gastrectomy from pylorus to stomach, mean (SD), cm 2.92 (1.48) 2.79 (1.31) .21
GJ anastomotic method
Robotic suture (n = 144) 116 (80.6) 28 (19.4) .26
Stapler (n = 48) 35 (72.9) 13 (27.1)
GJ direction
End to side (n = 143) 115 (80.4) 28 (19.6) .31
Side to side (n = 49) 36 (73.5) 13 (26.5)
Length of GJ, mean (SD), cm 5.04 (0.79) 4.86 (0.82) .21
Length of GJ (cutoff)
≥4.0 cm (n = 180) 142 (78.9) 38 (21.1) .75
<4.0 cm (n = 12) 9 (75.0) 3 (25.0)
≥4.5 cm (n = 155) 125 (80.6) 30 (19.4) .17
<4.5 cm (n = 37) 26 (70.3) 11 (29.7)
≥5.0 cm (n = 118) 96 (81.4) 22 (18.6) .25
<5.0 cm (n = 74) 55 (74.3) 19 (25.7)
≥5.5 cm (n = 72) 59 (81.9) 13 (18.1) .39
<5.5 cm (n = 120) 92 (76.7) 28 (23.3)
≥6.0 cm (n = 46) 37 (80.4) 9 (19.6) .73
<6.0 cm (n = 146) 114 (78.1) 32 (21.9)
GJ flow angle class
Type I (n = 114) 94 (82.5) 20 (17.5) .18
Type II (n = 51) 39 (76.5) 12 (23.5)
Type III (n = 27) 18 (66.7) 9 (33.3)
Operator
Attending physician (n = 116) 94 (81.0) 22 (19.0) .32
Trainee [performed by fellow] (n = 76) 57 (75.0) 19 (25.0)
Intraoperative Technical Variables in Stapled Gastrojejunostomies (n = 48)
Stapled with
Robotic stapler (n = 7) 4 (57.1) 3 (42.9) .25
Laparoscopic stapler (n = 41) 31 (75.6) 10 (24.4)
Stapled area of stomach
Great curvature (n = 22) 16 (72.7) 6 (27.3) .98
Posterior wall (n = 26) 19 (73.1) 7 (26.9)

Abbreviations: GJ, gastrojejunostomy; RPD, robotic pancreaticoduodenectomy; RPPPD, robotic pylorus-preserving pancreaticoduodenectomy.