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Table 4 Relationships between the drain amylase level in the drained fluid and PLH or P-A length in patients who underwent laparoscopic and open gastrectomy. Numerical values are presented as the median (range)

From: Comparison of prognostic impact of anatomic location of the pancreas on postoperative pancreatic fistula in laparoscopic and open gastrectomy

   P-A length ≥ 45 n = 14 P-A length < 45 n = 101 p
Laparoscopic Gastrectomy D-Amy (IU/L) POD 1 596.0 (40–10,484) 419.0 (38–12,154) 0.300
D-Amy (IU/L) POD 3 323.0 (31–2552) 134.0 (24–5670) 0.044
   P-A length ≥ 45 n = 18 P-A length ≥ 45 n = 100 p
Open
Gastrectomy
D-Amy (IU/L) POD 1 237.0 (57–14,848) 369.0 (43–16,764) 0.585
D-Amy (IU/L) POD 3 82.5 (41–1056) 65.0 (12–2855) 0.284
   PLH ≥ 12.4 n = 47 PLH < 12.4 n = 68 p
Laparoscopic Gastrectomy D-Amy (IU/L) POD 1 657.5 (38–12,154) 319.0 (40–3867) 0.002
D-Amy (IU/L) POD 3 182.5 (40–5670) 129.0 (24–890) 0.004
   PLH ≥ 12.4 n = 44 PLH < 12.4 n = 74 p
Open
Gastrectomy
D-Amy (IU/L) POD 1 357.5 (43–14,848) 313.5 (57–16,764) 0.585
D-Amy (IU/L) POD 3 87.5 (19–2855) 106.0 (12–1594) 0.856
  1. PLH the maximum vertical length between the upper border of pancreas and the root of left gastric artery, P-A pancreas–aorta, D-Amy amylase level in the drained fluid, POD postoperative day