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Table 1 Comparison of the average distances and ranges between dominant and non-dominant SS

From: Morphological analysis of sigmoid sinus anatomy: clinical applications to neurotological surgery

Parameter Dominant SS mean (mm) [Range] Non-dominant SS mean (mm) [Range] p value
Shortest distance between the EAC – SS 13.7 ± 3.4 [6.8–17.7] 15.3 ± 2.7 [11.1–20.6] <  0.05
Shortest distance between the descending FN – SS 7.2 ± 1.8 [3.9–10.7] 8.1 ± 2.3 [3.2–12.1] <  0.05
Shortest distance between the 2nd genu FN – superior tip JB 8.7 ± 2.2 [6.7–14.1] 11.2 ± 2.6 [8.3–18.4] <  0.01
Horizontal distance between the descending FN – superior tip JB 9.5 ± 2.3 [6.6–14.3] 13.2 ± 3.5 [6.1–15.5] <  0.01
Horizontal distance between the FN at the SMF – JB 5.4 ± 2.2 [1.7–9.3] 7.7 ± 2.1 [3.7–13.4] <  0.01