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Table 4 Mean orbital floor height to the key surgical landmarks

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

Landmarks Harvey et al. [13] Mean(mm) ± SD Wuttiwongsanon et al. [14] Mean(mm) ± SD Lee et al. [15] Mean(mm) ± SD Lee [19] Mean(mm) ± SD
Orbital floor to nasal floor 33.9 ± 3.0 35.2 ± 3.4 33.45 ± 2.83 33.83 ± 3.40
Orbital floor to sphenoid roof 11.0 ± 2.9 10.5 ± 3.3 12.18 ± 3.20 12.02 ± 2.93
Orbital floor to ethmoid roof 14.5 ± 3.5 14.1 ± 3.1 14.08 ± 3.03 Not measured