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Table 2 Perioperative outcomes and pathologic results about LAPPG and LADG

From: Objective evaluation of clinical outcomes of laparoscopy-assisted pylorus-preserving gastrectomy for middle-third early gastric cancer

Variables LAPPG(n = 70) LADG(n = 97) P value
Mean operation time (min)b 220.5 ± 17.2 223.8 ± 28.1 0.216
Mean blood loss (ml)b 46.9 ± 49.6 48.5 ± 51.1 0.830
Mean maximum tumor diameter (cm)b 1.8 ± 0.7 1.8 ± 0.7 0.934
Mean proximal margin (cm)b 2.9 ± 0.8 3.0 ± 0.8 0.233
Positive proximal margin rate 0 (0%) 0 (0%) 1.000
Mean distal margin (cm)b 3.8 ± 1.4 3.6 ± 1.7 0.265
Positive distal margin rate 0 (0%) 0 (0%) 1.000
Mean total no. of examined lymph nodesb 22.4 ± 5.3 23.2 ± 5.5 0.337
Median postoperative hospitalization (days, range) 8 (7–30) 8 (7–27) 0.199
Median postoperative first flatus (days, range) 4 (3–5) 4 (2–5) 0.571
Median postoperative gastric tube decompression (days, range) 4 (2–20) 3 (2–19) 0.656
Median postoperative fluid diet start (days, range) 5 (4–21) 5 (4–19) 0.346
Postoperative complicationa ≥ II (no. of patients) 11 (15.7%) 13 (13.4%) 0.824
 Gastric stasis 4 (5.7%) 2 (2.1%)  
 Anastomotic leak 1 (1.4%) 3 (3.1%)  
Abdominal absces 1 (1.4%) 2 (2.1%)  
Respiratory complication 5 (7.1%) 6 (6.2%)  
Differentiation    0.215
 Well or moderate differentiation 47 (67.1%) 68 (76.4%)  
 Poorly differentiation or Signet ring cell 23 (32.9%) 21 (23.6%)  
pT category    1.000
 T1a 33 (47.1%) 45 (46.4%)  
 T1b 37 (52.9%) 52 (53.6%)  
Hospitalization expenses (Ten thousands)b 4.6 ± 0.5 5.3 ± 0.4 0.004
  1. aAcording to the Clavien–Dindo classification
  2. bValues are shown as mean ± standard deviation