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. 2020 Feb 27;35(3):1058–1066. doi: 10.1007/s00464-020-07470-2

Table 3.

Details of surgical categories and perioperative details

N % Median Mean Range
Operation category
 Minor operation 91 91
 Major operation 9 9
Iwate score 4 4.4 2–10
Blood loss (ml) 100 208 0–1600
Operation time (min) 131 141 46–334