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)
|  |  | 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 |