Table 3.

Logistic Regression Analysis Demonstrating the Association of Categorical Variables on the Outcomes of Bone Flap Failure

Variable	OR	95% CI	P-value
>125 cm2	3.29	0.25–2.14	0.01
Diabetes	0.47	−2.37–0.86	0.36
Smoker	0.78	−1.26–0.76	0.63
Alcohol abuse	0.48	−2.0–0.55	0.26
BMI >25	1.27	−0.74–1.22	0.63
Fragmentation	1.72	−0.67–1.75	0.38
CSF diversion after cranioplasty	1.08	−1.02–1.18	0.89

Boldface values indicate statistical significance at p < 0.05.

BMI, body mass index; CI, confidence interval; CSF, cerebrospinal fluid; OR, odds ratio.