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. 2021 Jun 15;23(6):640–647. doi: 10.4103/aja.aja_50_21

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Copyright: © The Author(s)(2021)

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Operation time in the SP and MP groups. The median operation time of the first 10 patients in the SP group was significantly longer than that of the latter 20 patients in the SP group and that in the MP group (P< 0.001). The median operation time of the latter 20 patients in the SP group was not significantly different from that of patients in the MP group (P= 0.579). SP: single-port; MP: multiport.