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Table 2: Changes in outcome variables between immediate and delayed postoperative MR imaging
Variable Immediate Postop Delayed Postop P Value
Flap enhancement, No. (%) 
 None 19 (28) 4 (6) .003^{^a}
 Weak 14 (20) 20 (29)
 Bright 35 (52) 44 (65)
Pedicle enhancement, No. (%) 
 None 41 (60) 30 (44) .076
 Weak 12 (18) 23 (34)
 Bright 15 (22) 15 (22)
Mean flap thickness (mm) 3.8 (SD, 1.2) 3.9 (SD, 1.1) .181
NSF adherence to skull base, No. (%) 37 (54.4) 67 (98.5) <.001^{^a}
Note:—Postop indicates postoperative.
↵a P values <.05 are statistically significant.

Variable	Immediate Postop	Delayed Postop	P Value
Flap enhancement, No. (%)
None	19 (28)	4 (6)	.003^{^a}
Weak	14 (20)	20 (29)	.003^{^a}
Bright	35 (52)	44 (65)
Pedicle enhancement, No. (%)
None	41 (60)	30 (44)	.076
Weak	12 (18)	23 (34)	.076
Bright	15 (22)	15 (22)
Mean flap thickness (mm)	3.8 (SD, 1.2)	3.9 (SD, 1.1)	.181
NSF adherence to skull base, No. (%)	37 (54.4)	67 (98.5)	<.001^{^a}