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Table 3: Analysis of each quantitative parameter on the skull plain films for prediction of aneurysm recurrence^{^a}
AP Image Lateral Image
L P A L P A
AUC 0.66 (0.55∼0.77) 0.50 (0.38∼0.61) 0.54 (0.4∼0.65) 0.69 (0.58∼0.79) 0.74 (0.62∼0.83) 0.66 (0.54∼0.76)
Sensitivity 56.2 (29.9∼80.2) 12.5 (1.9∼38.4) 25.0 (7.4∼52.4) 50.0 (24.7∼75.3) 62.5 (35.5∼84.7) 50.0 (24.7∼75.3)
Specificity 79.0 (66.8∼88.3) 98.4 (91.3∼99.7) 90.3 (80.1∼96.3) 90.3 (80.1-∼96.3) 85.5 (74.2∼93.1) 83.9 (72.3∼92.0)
Cutoff value 0.7 1.2 6.1 1.1 0.9 8.5
P value .04^{^b} .99 .61 .01^{^b} <.01^{^b} .04^{^b}
Note:—L indicates largest diameter; P, perpendicular diameter; A, area; AUC, area under the curve.
↵a Data in parentheses are 95% confidence intervals.
↵b Statistically significant (P < .05).

	AP Image			Lateral Image
	L	P	A	L	P	A
AUC	0.66 (0.55∼0.77)	0.50 (0.38∼0.61)	0.54 (0.4∼0.65)	0.69 (0.58∼0.79)	0.74 (0.62∼0.83)	0.66 (0.54∼0.76)
Sensitivity	56.2 (29.9∼80.2)	12.5 (1.9∼38.4)	25.0 (7.4∼52.4)	50.0 (24.7∼75.3)	62.5 (35.5∼84.7)	50.0 (24.7∼75.3)
Specificity	79.0 (66.8∼88.3)	98.4 (91.3∼99.7)	90.3 (80.1∼96.3)	90.3 (80.1-∼96.3)	85.5 (74.2∼93.1)	83.9 (72.3∼92.0)
Cutoff value	0.7	1.2	6.1	1.1	0.9	8.5
P value	.04^{^b}	.99	.61	.01^{^b}	<.01^{^b}	.04^{^b}