Item | All (*N =* 292) | PLR ≤ 0.55 (*n =* 89) | PLR > 0.55 (*n =* 203) | *P value*^{+} | NLR ≤ 3.92 (*n =* 226) | NLR > 3.92 (*n =* 66) | *P value*^{+} |
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LOS in the hospital (days, mean ± SD) | 16.0 ± 11.9 | 18.3 ± 12.9 | 15.0 ± 11.4 | 0.018^{*} | 15.5 ± 12.0 | 17.8 ± 11.7 | 0.027^{*} |

LOS in the ICU (days, mean ± SD) | 6.3 ± 9.5 | 8.6 ± 10.9 | 5.4 ± 8.7 | 0.002^{*} | 5.9 ± 9.6 | 7.7 ± 9.1 | 0.062 |

Anastomotic leaks [*n*(%)] | 36 (12.3) | 18 (20.2) | 18 (8.9) | 0.006^{*} | 24 (10.6) | 12 (18.2) | 0.101 |

Complications | | | | 0.008^{*} | | | 0.671 |

None [*n*(%)] | 266 (91.1) | 75 (84.3) | 191 (94.1) | | 207 (91.6) | 59 (89.4) | |

Cardiac [*n*(%)] | 10 (3.4) | 6 (6.7) | 4 (2.0) | 5 (2.2) | 5 (7.6) | |

Respiratory [*n*(%)] | 9 (3.1) | 6 (6.7) | 3 (1.5) | 7 (3.1) | 2 (3.0) | |

Infectious [*n*(%)] | 2 (0.7) | 0 | 2 (1.0) | 2 (0.9) | 0 | |

Renal [*n*(%)] | 5 (1.7) | 2 (2.2) | 3 (1.5) | 5 (2.2) | 0 | |

Clavien-Dindo grade ≥ 3[*n*(%)] | 40(13.7) | 19 (21.3) | 21 (10.3) | 0.012* | 25 (11.1) | 15 (22.7) | 0.015^{*} |

In-hospital mortality [*n*(%)] | 9 (3.1) | 5 (5.6) | 4 (2.0) | 0.098 | 2 (0.9) | 7 (10.6) | < 0.001^{*} |

*P value*^{+} were calculated for the comparison of groups based on the NLR and PLR values by statistical analysis; +Determined by the Mann-Whitney U test or Spearman’s rho test; *. *P value <* 0.05; *ICU* intensive care unit, *LOS* length of stay, *NLR* neutrophil-to-lymphocyte ratio, *PLR* platelet-to-lymphocyte ratio