“…One notable aspect of UBESS is the absence of postoperative infection, which is a relatively common occurrence in conventional lumbar spinal surgery [23]. The incidence of spine infection after spine surgery ranges from approximately 0.1% to 4.5%, [3] 2020 RCT Korea Dural tear (2), hematoma (1) Kim et al [7] 2020 Retrospective Korea Hematoma (5), recurrence (16), dural tear (3) Choi et al [16] 2016 Retrospective Korea Dural tear (2), nerve root injury (1), incomplete decompression (1) Eum et al [25] 2016 Retrospective Korea Postoperative headache (3), dural tear (2), transient leg numbness (2), hematoma(1) Czigléczki et al [29] 2020 Retrospective Hungary Postoperative headache (3), dural tear (2), incomplete decompression (1) Li et al [31] 2022 Retrospective China Dural tear (1), transient paresthesia (1) Jung and Kim [32] 2022 Retrospective Korea Transient motor weakness (1) Zhu et al [33] 2022 Technical note China Transient paresthesia (1) An and Lee [34] 2019 Technical note Korea Operation site pain and numbness (1) Lin et al [35] 2019 Retrospective China Dural tear (1) Kim and Park [36] 2020 Retrospective Korea Dural tear (2), root injury (3), infection (2) Kim et al [37] 2020 Retrospective Korea Dural tear (3), hematoma (1) Kim et al [38] 2019 Retrospective Korea Transient paresthesia (5) Kang et al [39] 2019 Retrospective Korea Dural tear (1) Kang et al [40] 2020 Retrospective Japan Dural tear (2) Kim and Choi [41] 2018 Retrospective Korea Dural tear (2), hematoma (1) Hong et al [42] 2020 Retrospective Korea Dural tear (2) Heo et al [43] 2019 Retrospective Korea Dural tear (1), hematoma (1) Heo et al [44] 2018 Prospective Korea Dural tear (1), hematoma (1) Pao et al [45] 2020 Retrospective China (Taiwan) Dural tear (4), transient paresthesia (1), hematoma (1), incomplete decompression (1) Song and Lee [46] 2020 Technical note Korea Dural tear (1) Fishchenko et al [47] 2020 Retrospective Ukraine Dural tear (4) Ahn et al [48] 2018 Retrospective Korea Dural tear (1) Kim et al [49] 2018 Retrospective Korea Incomplete decompression (3) Eun et ...…”