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Table 2: 
Signal intensity comparison of PETRA and IR-FSPGR sequences as previously reporteda
Default PETRA4-Minute PETRAIR-FSPGR (from Dehkharghani et al1)P Value (4-Minute PETRA vs IR-FSPGR)
Cisternal1.89 (0.31)2.00 (0.00)0.86 (0.42)<.001
Canalicular1.86 (0.36)2.00 (0.00)0.83 (0.44)<.001
Labyrinthine1.79 (0.42)1.85 (0.37)0.88 (0.39)<.001
Geniculate2.00 (0.00)2.00 (0.00)1.03 (0.22)<.001
Tympanic1.96 (0.19)2.00 (0.00)0.95 (0.32)<.001
Superficial Petrosal2.00 (0.00)2.00 (0.00)0.96 (0.30)<.001
Mastoid2.00 (0.00)2.00 (0.00)1.01 (0.30)<.001
  • ↵a To allow direct comparison with the data published by Dehkharghani et al,1 except for the P values, we report data as mean (SD) of assigned signal intensity, in which each facial nerve segment was assigned a value of 0–2 (0, no detectable signal; 1, faint visualization; 2, signal equivalent to normal brain).