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Table 2: Results of uni- and multivariate logistic regression analysis derived from hematoma development and independent predictors
Variable Univariate Multivariate
OR 95% CI^{^a} P Value OR 95% CI^{^a} P Value
ACT time (sec) 
    250–300 1 (baseline) 1 (baseline) 
    300–350 3.3 1.2–8.8 .019^{^b} 4.5 1.5–13.2 .006^{^b}
    350–500 3.4 1.1–11.2 .041^{^b} 5.0 1.4–18.0 .015^{^b}
Angio-Seal use 0.3 0.1–0.7 .003^{^b} 0.2 0.1–0.5 .001^{^b}
Age 1.0 1.00–1.02 .928 
Sex 1.4 0.6–3.2 .426 
Side 0.99 0.3–3.1 .984 
Puncture technique (single- vs double-wall) 1.2 0.6–2.3 .658 
↵a Confidence interval is adjusted for age, sex, and puncture methods.
↵b Significant difference from the control (P < .05).

Variable	Univariate			Multivariate
Variable	OR	95% CI^{^a}	P Value	OR	95% CI^{^a}	P Value
ACT time (sec)
250–300	1 (baseline)			1 (baseline)
300–350	3.3	1.2–8.8	.019^{^b}	4.5	1.5–13.2	.006^{^b}
350–500	3.4	1.1–11.2	.041^{^b}	5.0	1.4–18.0	.015^{^b}
Angio-Seal use	0.3	0.1–0.7	.003^{^b}	0.2	0.1–0.5	.001^{^b}
Age	1.0	1.00–1.02	.928
Sex	1.4	0.6–3.2	.426
Side	0.99	0.3–3.1	.984
Puncture technique (single- vs double-wall)	1.2	0.6–2.3	.658