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Table 1 Overall summary of studies included in the review

From: Is orbital floor a reliable and useful surgical landmark in endoscopic endonasal surgery?: a systematic review

Study Year of study Type of study No of Sides
Casiano et al. [12] 2001 Cadaver 18
Harvey et al. [13] 2010 CT PNSa 300
Lee et al. [15] 2012 CT PNSa 100
Wuttiwongsanon et al. [14] 2015 CT PNSa 300
Lee [19] 2017 CT PNSa 230
   Total 948
  1. aCT PNS computed tomography of the paranasal sinuses