Analysis of Cerebrospinal Fluid Routine Biochemical Level, Pathogenic Bacteria Distribution, and Risk Factors in Patients with Secondary Intracranial Infection after Brain Tumor Surgery

Table 6

Multifactorial logistic regression analysis of intracranial infections secondary to brain tumour surgery.

Risk factor	β	SE	Wald	OR	95% CI
Infratentorial tumour	1.946	0.665	8.514	7.001	1.901∼25.775	0.004
Operation time ≥4 h	1.015	0.328	9.790	2.759	1.451∼5.248	0.002
Postoperative indwelling drainage time ≥24 h	0.725	0.303	5.768	2.065	1.140∼3.739	0.018
Postoperative cerebrospinal fluid leakage	0.844	0.248	11.420	2.306	1.430∼3.781	0.001