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Fig 1.

Flow diagram of the study.

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Table 1.

Preoperative variables.

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Table 1 Expand

Table 2.

Intra- and postoperative variables.

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Table 2 Expand

Fig 2.

Ratio of patients free of postoperative complications.

Postoperative complications were defined as grade II or higher on the Clavien-Dindo classification. PC = postoperative complications.

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Fig 2 Expand

Table 3.

Postoperative outcomes.

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Table 3 Expand

Table 4.

Risk factors of postoperative complications.

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Table 4 Expand