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Table 4 Short-term surgical outcomes in elderly patients: PSM analysis

From: Short-term outcomes after minimally invasive versus open pancreaticoduodenectomy in elderly patients: a propensity score-matched analysis

Variables Original cohort P-value Matched cohort P-value
MIPD (N = 20) OPD (N = 66) MIPD (N = 17) OPD (N = 34)
EBL (mL, IQR) 275 (100–687) 300 (150–462) 0.822 200 (50–500) 300 (150–462) 0.880
Operation time (min, IQR) 525 (414–640) 467 (377–604) 0.161 420 (410–526) 456 (360–604) 0.181
P duct size (mm ± SD) 3.2 ± 1.46 3.6 ± 1.87 0.51 2.88 ± 1.30 3.66 ± 1.69 0.104
POHS (days, IQR) 18 (14–27) 24 (19–33) 0.014 18 (14–28) 25 (18–33) 0.028
Initiate oral diet (days, IQR) 5 (3–7) 5 (4–6) 0.946 5 (3–7) 5 (4–6) 0.992
Ambulation (days, IQR) 7 (5–8) 6 (5–9) 0.922 7 (5–8) 6 (5–10) 0.739
Drain removal (days, IQR) 16 (13–20) 22 (17–27) 0.004 16 (13–20) 21 (17–27) 0.012
ICU stay (days, IQR) 4 (3–6) 4 (3–7) 0.909 4 (3–6) 4 (3–7) 0.840
TPN dependence (days, IQR) 8 (3–11) 9 (6–14) 0.264 8 (4–11) 10 (7–15) 0.167
Major complication (≥ CD Gr. 3) 3 (15.0%) 20 (30.3%) 0.142 3 (17.6%) 10 (29.4%) 0.290
PPH (Grade B and C) 2 (10.0%) 8 (12.1%) 0.577 2 (11.8%) 3 (8.8%) 0.546
DGE (Grade B and C) 2 (10.0%) 22 (33.3%) 0.042 1 (5.9%) 11 (32.4%) 0.036
POPF (Grade B and C) 2 (10.0%) 14 (21.2%) 0.217 2 (11.8%) 8 (23.5%) 0.273
Pulmonary complication 0 (0%) 10 (15.2%) 0.06 0 (0%) 6 (17.6%) 0.075
IAI 5 (25.0%) 19 (28.8%) 0.491 5 (29.4%) 11 (32.4%) 0.491
30-day readmission 1 (5.0%) 3 (4.5%) 0.856 1 (5.9%) 2 (5.9%) > 0.999
Mortality 0 (0%) 6 (9.1%) 0.193 0 (0%) 4 (11.8%) 0.186
  1. Italic indicate statistic significance
  2. EBL estimated blood loss, IQR interquartile range, SD standard deviation, POHS post-operative hospital stay, ICU intensive care unit, TPN total parenteral nutrition, CD Gr. Clavien–Dindo grade, PPH post-pancreatectomy hemorrhage, DGE delayed gastric emptying, POPF post-operative pancreatic fistula, IAI intraabdominal infection