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Table 2 Comparison of operative characteristics of PDAC patients between the OPD and LPD groups

From: Laparoscopic versus open pancreaticoduodenectomy for pancreatic ductal adenocarcinoma: a propensity score matching analysis

Characteristic Original cohort P Matched cohort P
OPD group
(n = 230)
LPD group
(n = 79)
OPD group
(n = 93)
LPD group
(n = 55)
Operative time [min, median (IQR)] 260.5 (210.0–360.0) 330.0 (260.0–376.0) < 0.001 260.0 (207.5–325.5) 330.0 (260.0–360.0) < 0.001
Estimated blood loss [mL, median (IQR)] 200.0 (100.0–400.0) 150.0 (100.0–200.0) < 0.001 200.0 (150.0–350.0) 150.0 (100.0–200.0) 0.001
Blood transfusion [cases (%)] 24 (10.4) 19 (24.1) 0.003 7 (7.5) 16 (29.1) < 0.001
No. of resected lymph nodes [median (IQR)] 11.0 (7.0–15.0) 18.0 (14.0–22.0) < 0.001 11.0 (7.0–14.5) 18.0 (13.0–25.0) < 0.001
No. of positive lymph nodes [median (IQR)] 0 (0–2.0) 0 (0–2.0) 0.761 0 (0–2.0) 0 (0–2.0) 0.909
Positive lymph node ratio [median (IQR)] 0 (0–0.14) 0 (0–0.09) 0.353 0 (0–0.16) 0 (0–0.08) 0.366
R0 resection [cases (%)] 221 (96.1) 79 (100) 0.163 88 (94.6) 55 (100) 0.201
  1. PDAC pancreatic ductal adenocarcinoma, OPD open pancreaticoduodenectomy, LPD laparoscopic pancreaticoduodenectomy, IQR interquartile range