Table 3.

Multivariable analysis showing odds ratios of in-hospital mortality stratified by surgical complication.

Sentinel event	OR	95% confidence interval	P-value
Object retention	0.00	0.0–0.0	–
Wrong-side surgery	0.00	0.0–0.0	–
Iatrogenic stroke	9.6	6.3–14.8	<0.001
Meningitis	0.6	0.1–5.4	0.688
Hemorrhage or hematoma	3.3	1.6–6.6	<0.001
Other neurological complication	0.00	0.0–0.0	–
Any surgical complication	4.4	2.9–6.6	<0.001

OR: odds ratio.

All analyses were adjusted for patient age, sex and comorbidities.

Boldface denotes statistically significant results.